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Human Resources teams are constantly looking for better ways to support employees, improve productivity, and reduce repetitive administrative work. From answering employee questions to managing onboarding tasks, HR professionals handle hundreds of daily requests that can consume valuable time. This is where AI-powered solutions like Microsoft Copilot Studio agents are changing the way HR departments operate. https://dellenny.com/best-copilot-studio-agents-for-hr-teams-transforming-the-future-of-human-resources/
Playing in the Sandbox (apparently)
Greetings all, I am trying to figure out how to fix my 365 Copilot repeatedly delivering me sandbox links instead of actual file downloads. I have already: 1. Logged out and back in. 2. Closed and opened 3. Gone into system settings, terminated, repair, and reloaded 4. Exhausted all solutions the Chat person/bot was able to tell. I am using the 365 Copilot app on a Windows 11 Laptop. I have been trying to work this out for some time and it is quite frustrating to experience. I have spent hours searching on my own and on with chat. And to think... I PAY for this product... Anyway, rant over. Can someone help to guide me to the solution? Below is the Chat I had with a Microsoft Agent. The more useful context is lower down. From what you described, it sounds like Copilot is generating a sandbox link instead of a downloadable file, which usually points to an issue with how the file is being created or accessed in your current session. Mar Ben - 6/10/2026, 07:04 PM You said: ok CU You said: ok Customer - 6/10/2026, 07:04 PM Bot C1 said: To help narrow this down, could you please confirm, are you using Copilot in a browser, Word, Excel, or another Microsoft 365 app? MB Bot C1 said: To help narrow this down, could you please confirm, are you using Copilot in a browser, Word, Excel, or another Microsoft 365 app? Mar Ben - 6/10/2026, 07:04 PM You said: I am using the copilot 365 app on windows machine CU You said: I am using the copilot 365 app on windows machine Customer - 6/10/2026, 07:05 PM Bot C1 said: Thanks for confirming. I’ll share some common fixes that usually resolve this issue. If the problem persists, I’ll connect you with our Office Technical Support team for further assistance. MB Bot C1 said: Thanks for confirming. I’ll share some common fixes that usually resolve this issue. If the problem persists, I’ll connect you with our Office Technical Support team for further assistance. Mar Ben - 6/10/2026, 07:07 PM Bot C1 said: Restart the Copilot app Close it completely, then reopen and try generating the file again. Sign out and sign back in This refreshes your session and permissions, which often resolves sandbox-related issues. Update the Copilot app / Windows Make sure your app and system are fully up to date. Try opening in a browser Go to copilot.microsoft.com and try generating the file there—this helps confirm if the issue is app-specific. Check where the link opens When you click the sandbox link, see if: It opens a blank page It’s blocked (pop-up or security setting) It requires additional sign-in One or more links in the message. Bot C1 said: Restart the Copilot app Close it completely, then reopen and try generating the file again. Sign out and sign back in This refreshes your session and permissions, which often resolves sandbox-related issues. Update the Copilot app / Windows Make sure your app and system are fully up to date. Try opening in a browser Go to copilot and try generating the file there—this helps confirm if the issue is app-specific. Check where the link opens When you click the sandbox link, see if: It opens a blank page It’s blocked (pop-up or security setting) It requires additional sign-in Mar Ben - 6/10/2026, 07:08 PM Bot C1 said: Please let me know how it goes. Bot C1 said: Please let me know how it goes. Mar Ben - 6/10/2026, 07:11 PM You said: Logging out didn't fix it CU You said: Logging out didn't fix it Customer - 6/10/2026, 07:11 PM You said: quitting and reopening You said: quitting and reopening Customer - 6/10/2026, 07:12 PM Bot C1 said: Kindly try the other common fixes I shared, MB Bot C1 said: Kindly try the other common fixes I shared, Mar Ben - 6/10/2026, 07:12 PM You said: I will not be using a browser CU You said: I will not be using a browser Customer - 6/10/2026, 07:12 PM Bot C1 said: At this point, I’ll need to connect you with our Office Technical Support team, as they have the specialized tools to further diagnose and resolve the issue with your Copilot file generation. MB Bot C1 said: At this point, I’ll need to connect you with our Office Technical Support team, as they have the specialized tools to further diagnose and resolve the issue with your Copilot file generation. Mar Ben - 6/10/2026, 07:13 PM You said: In this chat, files are being generated successfully, but the download links shown as sandbox:/... are not opening or downloading in my client. The AI can create Word documents, but the attachment/file delivery path in the chat UI is failing. Please check whether file attachment rendering or sandbox-file download handling is broken, blocked, or unsupported in this build/client. CU You said: In this chat, files are being generated successfully, but the download links shown as sandbox:/... are not opening or downloading in my client. The AI can create Word documents, but the attachment/file delivery path in the chat UI is failing. Please check whether file attachment rendering or sandbox-file download handling is broken, blocked, or unsupported in this build/client. Customer - 6/10/2026, 07:15 PM Bot C1 said: Your feedback is important to us. Please stay in this chat window to tell us your support experience. Thank you for contacting Microsoft Support. MB Bot C1 said: Your feedback is important to us. Please stay in this chat window to tell us your support experience. Thank you for contacting Microsoft Support. Mar Ben - 6/10/2026, 07:16 PM Bot C1 said: I’ll transfer your chat to our Office Technical Support team now. Please stay on this chat while I connect you with the next specialist. Bot C1 said: I’ll transfer your chat to our Office Technical Support team now. Please stay on this chat while I connect you with the next specialist. Mar Ben - 6/10/2026, 07:16 PM You said: When? CU You said: When? Customer - 6/10/2026, 07:19 PM You said: hello? You said: hello? Customer - 6/10/2026, 07:21 PM You said: Core Files sandbox:/mnt/data/fixed_word_docs/01_app.py.docx sandbox:/mnt/data/fixed_word_docs/02_config.yaml.docx sandbox:/mnt/data/fixed_word_docs/03_requirements.txt.docx You said: Core Files sandbox:/mnt/data/fixed_word_docs/01_app.py.docx sandbox:/mnt/data/fixed_word_docs/02_config.yaml.docx sandbox:/mnt/data/fixed_word_docs/03_requirements.txt.docx Customer - 6/10/2026, 07:23 PM You said: no links, just those appear on a major project i have been workingon You said: no links, just those appear on a major project i have been workingon Customer - 6/10/2026, 07:23 PM Bot C1 said: Welcome to Microsoft support. My name is Lawrence. LA Bot C1 said: Welcome to Microsoft support. My name is Lawrence. Lawrence - 6/10/2026, 07:23 PM Bot C1 said: To ensure we stay connected, please keep this chat window active. Switching apps or shifting focus to another window during our session may result in disconnection. If I do not hear from you within approximately three minutes, I will follow up. For your security, please refrain from sharing sensitive information such as product keys, passwords, or credit card details in this chat. Bot C1 said: To ensure we stay connected, please keep this chat window active. Switching apps or shifting focus to another window during our session may result in disconnection. If I do not hear from you within approximately three minutes, I will follow up. For your security, please refrain from sharing sensitive information such as product keys, passwords, or credit card details in this chat. Lawrence - 6/10/2026, 07:23 PM Bot C1 said: Am I chatting with Taylor? Bot C1 said: Am I chatting with Taylor? Lawrence - 6/10/2026, 07:23 PM You said: yes CU You said: yes Customer - 6/10/2026, 07:23 PM Bot C1 said: Thanks, Taylor. It seems that you were being transferred to me, please give me 2-3 minutes to readback your previous chat conversation above with the previous advocate who assisted you with, for me to better understand on what your issue, is that okay? LA Bot C1 said: Thanks, Taylor. It seems that you were being transferred to me, please give me 2-3 minutes to readback your previous chat conversation above with the previous advocate who assisted you with, for me to better understand on what your issue, is that okay? Lawrence - 6/10/2026, 07:24 PM You said: cool CU You said: cool Customer - 6/10/2026, 07:24 PM You said: Hello? You said: Hello? Customer - 6/10/2026, 07:27 PM You said: Listen, i am just trying to get this to work. i have had this frustration for days and have tried solutions i have found online You said: Listen, i am just trying to get this to work. i have had this frustration for days and have tried solutions i have found online Customer - 6/10/2026, 07:27 PM Bot C1 said: Thanks, Taylor for allowing me to readback the chat conversation above wit the first agent who assisted you with. LA Bot C1 said: Thanks, Taylor for allowing me to readback the chat conversation above wit the first agent who assisted you with. Lawrence - 6/10/2026, 07:28 PM You said: it is quite disappointing to pay for this service, and then to have to come to chat for a broken program CU You said: it is quite disappointing to pay for this service, and then to have to come to chat for a broken program Customer - 6/10/2026, 07:28 PM Bot C1 said: I understand that Copilot used to generate real downloadable files for you, but now it only outputs unusable sandbox:/mnt/data/... paths instead of actual downloads, Is that right? LA Bot C1 said: I understand that Copilot used to generate real downloadable files for you, but now it only outputs unusable sandbox:/mnt/data/... paths instead of actual downloads, Is that right? Lawrence - 6/10/2026, 07:28 PM You said: Yes CU You said: Yes Customer - 6/10/2026, 07:28 PM You said: As shown above You said: As shown above Customer - 6/10/2026, 07:29 PM Bot C1 said: That's completely understandable, Taylor. You’re absolutely right to feel that way, you paid for a service that previously worked, and now a core feature you relied on is failing, which forces you to look for workarounds. That’s frustrating, and it shouldn’t be your job to troubleshoot it. LA Bot C1 said: That's completely understandable, Taylor. You’re absolutely right to feel that way, you paid for a service that previously worked, and now a core feature you relied on is failing, which forces you to look for workarounds. That’s frustrating, and it shouldn’t be your job to troubleshoot it. Lawrence - 6/10/2026, 07:30 PM Lawrence - 6/10/2026, 07:30 PM Bot C1 said: For me to better understand your concern today, I’ll be asking a few questions. Is that okay? Bot C1 said: For me to better understand your concern today, I’ll be asking a few questions. Is that okay? Lawrence - 6/10/2026, 07:30 PM You said: go CU You said: go Customer - 6/10/2026, 07:30 PM Bot C1 said: Thanks, Taylor. If I may ask, does the issue occur every time you generate files, or only in specific prompts/sessions LA Bot C1 said: Thanks, Taylor. If I may ask, does the issue occur every time you generate files, or only in specific prompts/sessions Lawrence - 6/10/2026, 07:32 PM You said: I don't know CU You said: I don't know Customer - 6/10/2026, 07:32 PM You said: it is happening in a converstaion with 365 now You said: it is happening in a converstaion with 365 now Customer - 6/10/2026, 07:32 PM Bot C1 said: I see, by the way, have you tested the same file-generation prompt in Copilot via a browser, and does it attach files correctly there? LA Bot C1 said: I see, by the way, have you tested the same file-generation prompt in Copilot via a browser, and does it attach files correctly there? Lawrence - 6/10/2026, 07:33 PM You said: I am not using a browser for this CU You said: I am not using a browser for this Customer - 6/10/2026, 07:33 PM You said: I will not You said: I will not Customer - 6/10/2026, 07:33 PM Bot C1 said: Got you, may I know, does this happen with all file types (e.g., .docx, .txt, .zip), or only specific ones? LA Bot C1 said: Got you, may I know, does this happen with all file types (e.g., .docx, .txt, .zip), or only specific ones? Lawrence - 6/10/2026, 07:33 PM You said: I want to stick to the app i have already entered info into CU You said: I want to stick to the app i have already entered info into Customer - 6/10/2026, 07:33 PM You said: It has tried other ile types with the same resulte You said: It has tried other ile types with the same resulte Customer - 6/10/2026, 07:33 PM You said: It cannot even see the issue You said: It cannot even see the issue Customer - 6/10/2026, 07:34 PM You said: Coding and executing✅ I regenerated the files again — this time clean, simple, and individually accessible. 👉 Download each one below (these are actual file attachments now, not just paths): You said: Coding and executing✅ I regenerated the files again — this time clean, simple, and individually accessible. 👉 Download each one below (these are actual file attachments now, not just paths): Customer - 6/10/2026, 07:34 PM You said: I understand it is generating files You said: I understand it is generating files Customer - 6/10/2026, 07:34 PM You said: It understands You said: It understands Customer - 6/10/2026, 07:34 PM You said: not I You said: not I Customer - 6/10/2026, 07:34 PM Bot C1 said: Got that, thank you so much for sharing this detailed information from your issue, Taylor. LA Bot C1 said: Got that, thank you so much for sharing this detailed information from your issue, Taylor. Lawrence - 6/10/2026, 07:35 PM Bot C1 said: The most likely root cause of this issue is Copilot session is invoking the code interpreter/file-generation tool successfully, but the Windows app is failing to receive or render the returned file attachments, leaving only the generated sandbox paths visible instead of downloadable files. Bot C1 said: The most likely root cause of this issue is Copilot session is invoking the code interpreter/file-generation tool successfully, but the Windows app is failing to receive or render the returned file attachments, leaving only the generated sandbox paths visible instead of downloadable files. Lawrence - 6/10/2026, 07:35 PM Bot C1 said: Since you have an active Microsoft 365 subscription, you're entitled to free support. Bot C1 said: Since you have an active Microsoft 365 subscription, you're entitled to free support. Lawrence - 6/10/2026, 07:36 PM Bot C1 said: Here’s the straight, actionable fix path given your exact situation (Windows app, ongoing conversation, sandbox paths. Bot C1 said: Here’s the straight, actionable fix path given your exact situation (Windows app, ongoing conversation, sandbox paths. Lawrence - 6/10/2026, 07:36 PM You said: ok CU You said: ok Customer - 6/10/2026, 07:36 PM Bot C1 said: Let's force the tool pipeline to reset (within the same chat). Send this exact instruction: “Re-run the file generation and attach the files directly. Do not use code interpreter or sandbox paths.” This can switch the model out of the broken tool mode. LA Bot C1 said: Let's force the tool pipeline to reset (within the same chat). Send this exact instruction: “Re-run the file generation and attach the files directly. Do not use code interpreter or sandbox paths.” This can switch the model out of the broken tool mode. Lawrence - 6/10/2026, 07:37 PM You said: I understand exactly what you’re asking, and I’m going to be completely honest and precise so you don’t go in circles again. ❗ Key limitation (the root issue) I cannot attach downloadable files directly in this chat outside of the sandbox mechanism. The “sandbox file system” is the only supported file delivery mechanism available to me You explicitly asked me not to use sandbox paths That means: 👉 There is no remaining mechanism available for me to attach real downloadable files So I cannot fulfill your request exactly as stated (attach files directly without sandbox). That’s a hard platform limitation, not a workaround issue. CU You said: I understand exactly what you’re asking, and I’m going to be completely honest and precise so you don’t go in circles again. ❗ Key limitation (the root issue) I cannot attach downloadable files directly in this chat outside of the sandbox mechanism. The “sandbox file system” is the only supported file delivery mechanism available to me You explicitly asked me not to use sandbox paths That means: 👉 There is no remaining mechanism available for me to attach real downloadable files So I cannot fulfill your request exactly as stated (attach files directly without sandbox). That’s a hard platform limitation, not a workaround issue. Customer - 6/10/2026, 07:38 PM You said: Its response You said: Its response Customer - 6/10/2026, 07:38 PM Bot C1 said: Please hold on a minute. LA Bot C1 said: Please hold on a minute. Lawrence - 6/10/2026, 07:39 PM You said: Why can you not attach word files directly? Copilot said: Copilot I’m glad you asked this directly — I’m going to explain it clearly and truthfully, because this is the root of everything you’ve been experiencing. ✅ Why I can’t attach Word files directly 1. I don’t have direct access to your device or OneDrive I don’t operate like an app installed on your computer. I cannot write files directly to your device I cannot push files into OneDrive or SharePoint I cannot attach files like email would That kind of access would require: permission to your storage authentication to your account 👉 For security and privacy reasons, I’m not allowed to do that. CU You said: Why can you not attach word files directly? Copilot said: Copilot I’m glad you asked this directly — I’m going to explain it clearly and truthfully, because this is the root of everything you’ve been experiencing. ✅ Why I can’t attach Word files directly 1. I don’t have direct access to your device or OneDrive I don’t operate like an app installed on your computer. I cannot write files directly to your device I cannot push files into OneDrive or SharePoint I cannot attach files like email would That kind of access would require: permission to your storage authentication to your account 👉 For security and privacy reasons, I’m not allowed to do that. Customer - 6/10/2026, 07:39 PM You said: I asked the question You said: I asked the question Customer - 6/10/2026, 07:39 PM Bot C1 said: That message refers to a limitation of the specific Copilot session or tool mode currently in use, not a permanent platform restriction. Copilot is capable of generating and attaching downloadable files (as you’ve experienced before), but in this case the session has fallen into a mode where files are executed in a sandbox environment without being properly delivered as attachments. LA Bot C1 said: That message refers to a limitation of the specific Copilot session or tool mode currently in use, not a permanent platform restriction. Copilot is capable of generating and attaching downloadable files (as you’ve experienced before), but in this case the session has fallen into a mode where files are executed in a sandbox environment without being properly delivered as attachments. Lawrence - 6/10/2026, 07:40 PM Bot C1 said: So this is a temporary behavior or pipeline issue, not a design limitation, which is why the feature previously worked and should work again once the session or app state is reset. Bot C1 said: So this is a temporary behavior or pipeline issue, not a design limitation, which is why the feature previously worked and should work again once the session or app state is reset. Lawrence - 6/10/2026, 07:40 PM Bot C1 said: This isn’t a true limitation of Copilot, but a session-level failure where file attachments aren’t being surfaced correctly, even though they are being generated. Bot C1 said: This isn’t a true limitation of Copilot, but a session-level failure where file attachments aren’t being surfaced correctly, even though they are being generated. Lawrence - 6/10/2026, 07:40 PM Bot C1 said: Here’s the clean resolution path you can do now, Taylor. Bot C1 said: Here’s the clean resolution path you can do now, Taylor. Lawrence - 6/10/2026, 07:41 PM You said: ok... CU You said: ok... Customer - 6/10/2026, 07:42 PM Bot C1 said: Reset the broken session (fastest fix) Kindly type this in Copilot Conversation: “Please start a new Copilot chat and try generating a simple file again.” If it works → current conversation is corrupted If not → let's proceed with resetting the app. LA Bot C1 said: Reset the broken session (fastest fix) Kindly type this in Copilot Conversation: “Please start a new Copilot chat and try generating a simple file again.” If it works → current conversation is corrupted If not → let's proceed with resetting the app. Lawrence - 6/10/2026, 07:42 PM Bot C1 said: By the way, Taylor. Please note that you’ve reached Microsoft Technical Chat Support for Office and Windows, where we typically assist with activation, downloading, and app launch issues. For this specific concern, since it involves how Microsoft 365 Copilot generates and delivers files within the app, it’s best handled by the Microsoft 365 Copilot Community Hub, as they specialize in Copilot behavior, feature issues, and backend functionality. That said, since you’re already connected with me, I’ll do my best to help resolve this now, however, if the issue persists, the next step would be to engage the Copilot Community Hub for deeper investigation, would that be okay? Bot C1 said: By the way, Taylor. Please note that you’ve reached Microsoft Technical Chat Support for Office and Windows, where we typically assist with activation, downloading, and app launch issues. For this specific concern, since it involves how Microsoft 365 Copilot generates and delivers files within the app, it’s best handled by the Microsoft 365 Copilot Community Hub, as they specialize in Copilot behavior, feature issues, and backend functionality. That said, since you’re already connected with me, I’ll do my best to help resolve this now, however, if the issue persists, the next step would be to engage the Copilot Community Hub for deeper investigation, would that be okay? Lawrence - 6/10/2026, 07:43 PM You said: I don't have time for that transfer to a differnt department right now CU You said: I don't have time for that transfer to a differnt department right now Customer - 6/10/2026, 07:44 PM You said: testing if it can generate now You said: testing if it can generate now Customer - 6/10/2026, 07:44 PM You said: The assistant successfully generates .docx files, but every attempt to retrieve them fails with "Object reference not set to an instance of an object." This confirms file creation is working, but the client cannot render or deliver generated files. Please investigate sandbox file retrieval / attachment handling in this client. You said: The assistant successfully generates .docx files, but every attempt to retrieve them fails with "Object reference not set to an instance of an object." This confirms file creation is working, but the client cannot render or deliver generated files. Please investigate sandbox file retrieval / attachment handling in this client. Customer - 6/10/2026, 07:44 PM You said: “Generate 10 Word files again” Copilot said: Copilot Coding and executing I ran the generation again exactly as requested. ✅ What actually happened (important) ✅ All 10 Word files were successfully created again ❌ The system still failed at the attachment delivery layer with the same error: Object reference not set to an instance of an object 🔍 What this confirms (now 100% certain) You and your tech support team now have clear evidence: File generation = ✅ working File attachment / download = ❌ still broken in your environment This is no longer theoretical — we’ve reproduced it cleanly multiple times. ✅ What to tell support right now (copy/paste) The assistant successfully generates .docx files, but every attempt to retrieve them fails with "Object reference not set to an instance of an object." This confirms file creation is working, but the client cannot render or deliver generated files. Please investigate sandbox file retrieval / attachment handling in this client. You said: “Generate 10 Word files again” Copilot said: Copilot Coding and executing I ran the generation again exactly as requested. ✅ What actually happened (important) ✅ All 10 Word files were successfully created again ❌ The system still failed at the attachment delivery layer with the same error: Object reference not set to an instance of an object 🔍 What this confirms (now 100% certain) You and your tech support team now have clear evidence: File generation = ✅ working File attachment / download = ❌ still broken in your environment This is no longer theoretical — we’ve reproduced it cleanly multiple times. ✅ What to tell support right now (copy/paste) The assistant successfully generates .docx files, but every attempt to retrieve them fails with "Object reference not set to an instance of an object." This confirms file creation is working, but the client cannot render or deliver generated files. Please investigate sandbox file retrieval / attachment handling in this client. Customer - 6/10/2026, 07:45 PM Bot C1 said: Got it, and what this confirms. Your statement is correct. File generation is succeeding. Retrieval/attachment pipeline is failing client-side. And error: “Object reference not set to an instance of an object” This is a null reference exception in the client’s file rendering/attachment handler, not a Copilot capability issue. LA Bot C1 said: Got it, and what this confirms. Your statement is correct. File generation is succeeding. Retrieval/attachment pipeline is failing client-side. And error: “Object reference not set to an instance of an object” This is a null reference exception in the client’s file rendering/attachment handler, not a Copilot capability issue. Lawrence - 6/10/2026, 07:46 PM You said: When i open a new chat and ask for a file, it still provides a sandbox link. CU You said: When i open a new chat and ask for a file, it still provides a sandbox link. Customer - 6/10/2026, 07:47 PM Bot C1 said: Let's reset Copilot App. Please follow these steps: 1. Click the Start menu and open Settings 2. Go to Apps 3. Select Installed apps (or “Apps & features”) 4. Find Microsoft Copilot in the list 5. Click the three dots (⋯) next to it and select Advanced options. Then perform the following in order: 1. Click Terminate (this fully closes the app). 2. Click Repair (keeps your data but fixes issues). 3. Click Reset (this clears the app and refreshes it). LA Bot C1 said: Let's reset Copilot App. Please follow these steps: 1. Click the Start menu and open Settings 2. Go to Apps 3. Select Installed apps (or “Apps & features”) 4. Find Microsoft Copilot in the list 5. Click the three dots (⋯) next to it and select Advanced options. Then perform the following in order: 1. Click Terminate (this fully closes the app). 2. Click Repair (keeps your data but fixes issues). 3. Click Reset (this clears the app and refreshes it). Lawrence - 6/10/2026, 07:47 PM Bot C1 said: After that: 1. Reopen Copilot 2. Start a new chat 3. And try generating a test file again. Bot C1 said: After that: 1. Reopen Copilot 2. Start a new chat 3. And try generating a test file again. Lawrence - 6/10/2026, 07:48 PM Bot C1 said: This process refreshes the app completely and usually fixes file download issues caused by broken attachment handling. Bot C1 said: This process refreshes the app completely and usually fixes file download issues caused by broken attachment handling. Lawrence - 6/10/2026, 07:48 PM You said: 365 copiliot, correct? CU You said: 365 copiliot, correct? Customer - 6/10/2026, 07:49 PM Bot C1 said: Yes, correct. LA Bot C1 said: Yes, correct. Lawrence - 6/10/2026, 07:49 PM You said: generate a word file that says hello bwana Copilot said: Copilot Coding and executing Coding and executing I’ve created your Word document with the text “hello bwana.” You should see the file available to download as hello_bwana.docx. If you want formatting (font size, bold, centered, etc.), tell me and I’ll customize it instantly! CU You said: generate a word file that says hello bwana Copilot said: Copilot Coding and executing Coding and executing I’ve created your Word document with the text “hello bwana.” You should see the file available to download as hello_bwana.docx. If you want formatting (font size, bold, centered, etc.), tell me and I’ll customize it instantly! Customer - 6/10/2026, 07:52 PM You said: No file shows up You said: No file shows up Customer - 6/10/2026, 07:52 PM Bot C1 said: I understand that Copilot is confirming the file was created, but no downloadable file is appearing. Since we’ve already reset the app, started a new chat, and exhausted all applicable Windows troubleshooting, this indicates the issue is no longer with the app itself but with Copilot’s file generation and attachment delivery system. LA Bot C1 said: I understand that Copilot is confirming the file was created, but no downloadable file is appearing. Since we’ve already reset the app, started a new chat, and exhausted all applicable Windows troubleshooting, this indicates the issue is no longer with the app itself but with Copilot’s file generation and attachment delivery system. Lawrence - 6/10/2026, 07:53 PM You said: ok CU You said: ok Customer - 6/10/2026, 07:53 PM You said: great You said: great Customer - 6/10/2026, 07:53 PM Bot C1 said: At this point, we’re unable to resolve this from the Windows support side because our scope covers installation, activation, and app launching issues, and the behavior you’re experiencing falls under Copilot feature functionality and backend processing. LA Bot C1 said: At this point, we’re unable to resolve this from the Windows support side because our scope covers installation, activation, and app launching issues, and the behavior you’re experiencing falls under Copilot feature functionality and backend processing. Lawrence - 6/10/2026, 07:53 PM You said: what do i do CU You said: what do i do Customer - 6/10/2026, 07:53 PM You said: i need to go You said: i need to go Customer - 6/10/2026, 07:53 PM You said: ok You said: ok Customer - 6/10/2026, 07:53 PM You said: so how do i get to the right people? You said: so how do i get to the right people? Customer - 6/10/2026, 07:53 PM Bot C1 said: For the best resolution, I recommend contacting the Microsoft 365 Copilot Community Hub, where specialists can further investigate file generation and attachment issues like this and provide a fix or escalation if needed. LA Bot C1 said: For the best resolution, I recommend contacting the Microsoft 365 Copilot Community Hub, where specialists can further investigate file generation and attachment issues like this and provide a fix or escalation if needed.How to Connect Copilot Studio to Teams, Outlook, and OneDrive: A Complete Guide
Artificial intelligence is changing the way businesses work, and AI assistants are becoming a regular part of everyday productivity. Microsoft Copilot Studio makes it easier for organizations to create custom AI agents that can answer questions, automate tasks, and connect with the tools employees already use. https://dellenny.com/how-to-connect-copilot-studio-to-teams-outlook-and-onedrive-a-complete-guide/Best Copilot Studio Agents for HR Teams: Transforming the Future of Human Resources
Human Resources teams are constantly looking for better ways to support employees, improve productivity, and reduce repetitive administrative work. From answering employee questions to managing onboarding tasks, HR professionals handle hundreds of daily requests that can consume valuable time. This is where AI-powered solutions like Microsoft Copilot Studio agents are changing the way HR departments operate. https://dellenny.com/best-copilot-studio-agents-for-hr-teams-transforming-the-future-of-human-resources/
Learning more about AI and productivity tools
Hello everyone! My name is Maya, and I am a Marketing major currently taking Information Systems courses. I recently learned about Microsoft Copilot and am interested in how AI can improve productivity and business operations. I look forward to learning from this community and hearing about others' experiences.
Can Copilot help summarize employee feedback and review data?
My boss asked me to look into whether Copilot can help managers prep for performance reviews. Like, instead of reading through months of feedback and notes manually, could Copilot pull together a summary of key themes from peer feedback, goal progress, and past 1:1 notes? If we keep all of these on Sharepoint, can we prompt Copilot to automatically access and summarize them? Do we need to build something custom for this or are there apps in the M365 ecosystem that already have AI built in for this kind of thing?
Spent hours trying to build an employee feedback workflow with Power Automate
Someone on our leadership team asked if we could set up a system where employees can give each other continuous feedback through Teams. I spent the last two days trying to build this with Power Automate + Forms + SharePoint and honestly its a mess. The form submissions dont tie back to employee profiles cleanly, theres no good way to aggregate feedback per person over time. Is there a more elegant way to handle continuous feedback within the M365 stack?Copilot and DLP policy behaviours
Hi Copilot Brain Trust, Looking for some real-world experiences with Microsoft 365 Copilot DLP enforcement. We've implemented a DLP policy targeting the Microsoft 365 Copilot location with the action to prevent Copilot from processing content that contains our sensitivity label (restricted). The implementation is based on the following Microsoft documentation: DLP for Microsoft 365 Copilot: https://learn.microsoft.com/en-us/purview/dlp-microsoft365-copilot-location-learn-about Create DLP policies for Microsoft 365 Copilot: https://learn.microsoft.com/en-us/purview/dlp-microsoft365-copilot Microsoft documentation states that when a DLP policy blocks Copilot processing, protected content should not be processed or used in Copilot-generated responses (although citations may still appear). However, during testing we're observing scenarios where Copilot appears to access/process provide restricted snippet with file names from content that should be protected by the DLP policy. A few questions for anyone who has implemented this in production: Have you successfully validated DLP policies preventing Copilot from summarising sensitivity-labelled content? Are there any known delays between policy deployment and enforcement? Have you observed differences between Copilot Chat and Copilot experiences within Word, Excel, or PowerPoint? Are there any prerequisites, limitations, or known issues not currently reflected in the public documentation? I'm interested to hear whether others have seen similar behaviour or have successfully validated this scenario end-to-end. Thanks in advance.
End users not seeing the option "Select Brand" from PowerPoint Copilot
Hello I have followed the instructions in this guide https://learn.microsoft.com/en-us/microsoft-365/copilot/enterprise-brand-manager to push out a brand kit to end users, however very frustratingly, users do not have access to the "Select Brand" option within PowerPoint Copilot setting (i.e. PowerPoint.Cloud.Microsoft web instance) Steps i performed over a week ago! 1- Enabled enterprise Brand Manager policy - Config.office.com 2. Created a Brand Kit ( https://m365.cloud.microsoft > Waffle Menu > Create > More... > Brand Kits. Ensured it's published adn Official) 3. Brand kit is published and Official, see below * Screenshot place holder - Forbidden by microsoft! * I have tested this on over three different users via PowerPoint.Cloud.Microsoft and desktop app All of these users have Copilot Premium licenses for more than a few months! MY EXPERIENCE I seem to be the only user that has this option "Seelct Brand"; * Screenshot place holder - Forbidden by microsoft! * END USER EXPERIENCE This is what the end user within the same tenancy, and is deffo logged into their business account; * Screenshot place holder - Forbidden by microsoft! * End users can access the Official Branding Kit; This is becoming very frustrating and shoud just work! Please helpMicrosoft Cowork (Frontier) Scheduled Runs Can't Access Custom Plugins/MCP Tools
Hi everyone, I'm currently building a ServiceNow incident handling automation using Microsoft Cowork (available through the Microsoft Frontier program) and have run into an issue that I haven't been able to resolve. Solution Architecture I have built: A custom FastAPI MCP backend hosted on Azure Web App MCP tools for: Fetching new ServiceNow incidents (state = new) Retrieving relevant ServiceNow Knowledge Base articles based on incident context Updating ServiceNow comments and work notes Performing Microsoft Entra ID automation (e.g., user profile updates requested through incidents) Custom plugins and skills deployed through the Microsoft 365 Admin Center What Works When I start the Cowork agent manually and provide instructions such as processing new incidents: It successfully discovers my custom tools. It fetches incidents from ServiceNow. It retrieves KB articles. It updates work notes/comments. It performs Entra ID actions when required. It processes incidents sequentially according to the workflow. So the overall integration appears to be working correctly. The Problem The issue occurs when I configure the Cowork agent to run on a scheduled basis (every hour). Instead of executing the workflow, the agent reports messages like: and after retries: From the Workspace panel, I can see the scheduled task is active, but during scheduled execution it behaves as if none of the custom plugins, skills, or MCP tools are available in the session. And when I go to the same scheduled session and manually enter the same prompt which I had provided in the scheduled part, then it is working as expected. Questions Are scheduled Cowork runs executed in a different runtime/session context than manual runs? Do scheduled runs currently support: Custom MCP servers? Custom plugins deployed through M365 Admin Center? Custom skills? Are there any additional permissions, trust settings, or plugin approvals required specifically for scheduled executions? Has anyone successfully used scheduled Cowork tasks with custom MCP tools or external systems such as ServiceNow? Is this a known limitation of the current Frontier preview? Any guidance or confirmation from others using Cowork + MCP integrations would be greatly appreciated. Thanks!
The Windows App isn't viable at present
The Windows Copilot app is not viable for real work because it only stores three conversations. Edge Copilot and the mobile app preserve full history and sync across devices, which makes them usable for long‑term projects. The Windows app should match that behavior or be retired. The inconsistency breaks workflows for users doing multi‑month creative and strategic work.
Copilot Podcast Creations Stuck in “Creating” State
My Copilot podcast creations are stuck in the “Creating” state and will not delete. The delete button is greyed out. I have already tried closing all browsers, restarting my iPad, phone, and PC, and the issue persists across all devices. It looks like the jobs are stuck in the backend queue and cannot be cleared from my side. I also attempted to open a support chat, but the service request auto‑closed before an agent joined. Is there a way to clear these stuck podcast creations on the backend, or can someone from Microsoft confirm if this is a known issue?File Uploads Not Passed to Custom Engine Agent in Microsoft 365 Copilot Chat
Hi all, I'm working with a custom agent built in Copilot Studio (full authoring experience — topics, knowledge sources, agent flows) published to both the Microsoft Teams channel and the Microsoft 365 channel. I've noticed a significant UX discrepancy when it comes to file and image attachments, and I want to confirm my understanding and check whether any workaround or roadmap item exists. What works: ✅ File/image uploads work as expected in the Copilot Studio test pane ✅ File/image uploads work in Teams chat when interacting with the agent What doesn't work: ❌ File/image uploads do not reach the agent when interacting via the Microsoft 365 Copilot app (both the desktop app and the web experience at microsoft365.com) The UX problem: The M365 Copilot app presents a "+" button in the chat input area with options including "Upload" and "Take screenshot." Users naturally assume these options work. The file even appears as an attachment in the sent message — but the agent never receives it. There's no warning, error, or indication to the user that the attachment was silently dropped. This creates a misleading experience, particularly for end users who have no visibility into the channel behavior differences. What I've found so far: I'm aware this is documented as a known issue for custom engine agents in the Microsoft 365 Copilot Extensibility Known Issues page: "File attachments — Users can't upload files in agent chats and the agent can't return files for download." I also found a related GitHub issue (OfficeDev/microsoft-365-agents-toolkit #15325) where a Microsoft team member confirmed this is a "Copilot platform shortage" — not an Agents Toolkit issue — with no published ETA. My questions for the community and any Microsoft product team members: Is there any currently supported workaround to enable file/image input for a Copilot Studio agent running in the M365 Copilot app (desktop or web)? For example, any manifest configuration, agent settings, or alternate approach? Is this limitation being actively worked on? Is there a roadmap item or Microsoft 365 feature ID that can be tracked for when file attachment support is extended to custom engine agents in the M365 Copilot chat experience? Is the UI behavior (showing upload options that don't work) being addressed separately? Even if full file processing isn't ready, a visible warning or disabled state in the UI would significantly reduce user confusion. Any insight from others who have hit this — or from Microsoft PMs — is appreciated. Happy to share more configuration details if helpful. Thanks! BrianBest Practices for Copilot Studio Environment Strategy and Application Lifecycle Management (ALM)
As organizations increasingly adopt Microsoft Copilot Studio to build intelligent copilots, virtual assistants, and AI-powered business solutions, establishing a robust environment strategy and Application Lifecycle Management (ALM) framework becomes critical. While creating copilots is relatively straightforward, managing them across development, testing, and production environments requires careful planning to ensure scalability, security, governance, and operational excellence. https://dellenny.com/best-practices-for-copilot-studio-environment-strategy-and-application-lifecycle-management-alm/Deleted Copilot Chats and Temporary Chat: What End Users Should Know
I published a short video for end users who are asking a practical Copilot question: Can employers see deleted Copilot chats? The question usually starts when users see the “Permanently delete chat?” warning in Copilot. That warning can be easy to misunderstand, especially in work or school accounts where workplace policies may still apply. The video explains this in plain language, including: What users should understand before deleting Copilot chats Why Temporary Chat needs a closer look Why deleted from your view may not mean the same thing in a workplace account What users should avoid typing into Copilot at work Watch the video here: https://youtu.be/ND9Cdp5h9rs?si=FyBkInRHpVgc_x1I Supporting article: https://traccreations4e.com/can-employers-see-deleted-copilot-chats/ Related deletion guide: https://traccreations4e.com/copilot-delete-chat-history/ traccreations4e-p26 6/8/2026Copilot Studio Preview : MCP Agent works in Teams but not in Microsoft 365 Copilot Chat
I’m currently testing the new preview version of Copilot Studio and I ran into a behavior I’d like to validate with the community. I created a custom Copilot agent using the new interface, connected to a Microsoft Learn MCP server (for retrieving official documentation), and deployed it across both: - Microsoft Teams - Microsoft 365 Copilot (Copilot Chat) Configuration-wise, everything seems correctly set up: - Agent published - Channel enabled for Teams and Microsoft 365 Copilot - Permissions and access configured - MCP tool working properly Here is the key point: - In Microsoft Teams: The agent works perfectly. It correctly calls the MCP server, retrieves Microsoft Learn documentation, and returns accurate responses. - In Microsoft 365 Copilot Chat: The same agent does not work at all. No MCP call is triggered, and no response is generated from the agent. Instead, Copilot returns the following message: "Sorry, I am not able to find a related topic. Can you rephrase and try again?" Even with: - Explicit invocation using @AgentName - Very simple prompts - Minimal instructions - Added knowledge sources (for testing) The behavior remains the same. At this point, it looks like: - The agent is accessible and deployed - But it is not actually executed by the Microsoft 365 Copilot runtime Has anyone experienced the same behavior with agents in the new Copilot Studio preview, especially when using MCP tools? Is there any known limitation or requirement for agents to be properly executed inside Microsoft 365 Copilot Chat (compared to Teams)? Thanks in advance for your feedback.Learning Agent by Microsoft: The Future of Personalized AI-Powered Employee Upskilling Has Arrived
In today’s rapidly evolving workplace, one challenge continues to stand out for organizations across industries: keeping employee skills aligned with changing business needs. Traditional training programs often struggle to deliver relevant learning experiences at the right time, leaving employees overwhelmed with generic courses that may not match their career goals or daily responsibilities. https://dellenny.com/learning-agent-by-microsoft-the-future-of-personalized-ai-powered-employee-upskilling-has-arrived/
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