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To do lists disappeared
I need this fixed. Now. I want to chat with a person immediately who can solve my problem. Why is your system so hard that I can’t get a solution to your problem. I will start another chat and just leave it open if I have to.DevilcatAug 31, 2026Copper Contributor31Views0likes0CommentsTo-do List, Requesting Next Steps features be added
Microsoft, please consider improving your application to make it usable for your customers. It is lacking so many features that would be simple updates yet provide such a great benefit to the users. Next Steps to be added so that the steps can be viewed from the main view; if not shown by default, at least allow an expand option for users who actually work from the steps. Record a completion date for the steps that have been completed. This would be a great reference tool and should be as simple as populating the date the bubble is clicked for the individual step.Crimson1stAug 29, 2026Tin Contributor82Views0likes0CommentsMicrosoft To-Do sync broken — Graph API returns 500 Internal Server Error on /me/todo/lists
Account: my personal microsoft account Issue: Microsoft To-Do has stopped syncing on all clients (web, Android app, Windows app) since approximately 2026-08-17 ~10:00 UTC. All clients show "syncing" indefinitely and never load any lists or tasks. What I've tested: To-Do Web UI (to-do.microsoft.com) — loads the shell but gets stuck infinitely. Browser DevTools show a 500 error on:The app cannot finish bootstrapping because of this failing endpoint. PATCH https://substrate.office.com/todob2/api/v1/settings/WunderlistImportStatus → 500 To-Do Android app — stuck on "syncing", never loads any lists. Microsoft Graph Explorer — GET https://graph.microsoft.com/v1.0/me/todo/lists returns: { "error": { "code": "UnknownError", "message": "", "innerError": { "date": "2026-08-17T14:49:16", "request-id": "1a8ecd9b-ad9d-4801-9f17-93d243ab6d7a", "client-request-id": "89c63f17-7b32-2cc8-df82-0712bd11e59f" } } } Other Microsoft 365 services — OneDrive works fine, test file synced. Account authentication is valid (Graph Explorer successfully queries /me). Re-login, account removal/re-add — tried on all clients, no change. No third-party integrations modified task data — verified via local opencode session database (zero Microsoft Graph/To-Do API calls found in any session). Never used any other 3rd party integration. Conclusion: The issue is a server-side error in the To-Do backend. The Graph API itself (/me/todo/lists) returns 500, and the substrate settings API also returns 500. This is not a client-side issue, not an authentication issue, and not caused by any third-party integration. The account-specific error suggests corrupted backend state or a service-side bug affecting this specific account. Request: Please investigate the server-side error for my account usinng the provided request IDs and restore To-Do sync access.p-richterAug 17, 2026Copper Contributor147Views0likes0CommentsTo Do App Alternative that works directly with your M365 Account, for Classic Outlook Fans!
Hi Everyone I have built an app for you Classic Outlook task fans. My old favourite task app isn't being supported any more, so as a 20+ year Outlook and GTD veteran I decided to have a go myself and build something! Does your Todo crash because of too many completed tasks. Do you wish you could create views of your tasks including groups by category, priority, and filter by completed, due today, not dated Ability to use Classic Outlook "quick steps" style actions to tidy up your inbox Be able to print tasks in a lovely big old Outlook 97 style grid, direct from your phone Create tasks from emails, events from emails Keep your Outlook tasks perfectly intact and get going just by logging in to your M365 account? Take a look at https://tasksweep.appAndyC-GTDJul 24, 2026Copper Contributor91Views0likes0Commentsstickers not showing on Microsoft To Do icon (macOS)
macOS 26.5.1 MS To Do 2.169 There is no stickers on icon in my mac, but in iOS on the same account - I have it. Already reinstall app, check notifications settings - nothing helps. Who know, how to fix the problem?art_skJul 02, 2026Copper Contributor123Views0likes2CommentsTasks sync failure - Outlook web vs mobile Outlook vs desktop Outlook
--- # 📄 **Technical Report: Persistent Outlook Web App Sync Failure Affecting Microsoft To Do / Outlook Tasks Ecosystem** **Issue Duration:** At least 3 months probably more **Platforms Affected:** - Microsoft To Do (Android) - Outlook Tasks (Windows Desktop Outlook) - Outlook Tasks (Outlook Web App) - Exchange Online (backend sync service) --- ## 1. **Executive Summary** I have experience **persistent, intermittent, and platform‑specific synchronization failures** within the Microsoft To Do / Outlook Tasks ecosystem. The critical finding is: ### **The Outlook Web App is often isolated and does not sync with any other platform.** Meanwhile: - **Windows Desktop Outlook ↔ Android To Do sync perfectly in both directions.** - **Outlook Web App ↔ (Desktop / Android)** do not sync. This isolates the issue to the **web app’s sync pipeline**, not the task data, not the account, and not the other apps. The failures present as: - **“Synchronization in progress”** stuck indefinitely - **“Synchronization failed”** when manually attempting sync - Web app showing **stale, outdated, or incomplete task lists** - Web app failing to send or receive updates from Exchange Online The same tasks that fail to sync for hours later sync successfully without any modification, proving the data is not corrupted and the failure is backend‑related. --- ## 1.1 **Cross‑Platform Sync Behavior (Critical Diagnostic Insight)** ### ✔ **Windows Desktop Outlook ↔ Android To Do** - Full two‑way sync - Immediate updates - Reliable and consistent ### ✖ **Outlook Web App ↔ Desktop Outlook** - No sync in either direction ### ✖ **Outlook Web App ↔ Android To Do** - No sync in either direction ### ✖ **Outlook Web App ↔ Exchange Online** - Appears to be failing or stalling This proves the web app is **not participating in the sync ecosystem**. --- ## 2. **Symptoms Observed** ### 2.1 **Outlook Web App** - Sync button stuck on **“Synchronization in progress”** for hours - Manual sync results in **“Synchronization failed”** - Web app shows outdated task lists - Web app does not receive updates from desktop or mobile - Web app does not send updates to desktop or mobile ### 2.2 **Android To Do** - Tasks created on Android do not appear in the web app - Tasks created in the web app do not appear on Android - Edits fail to propagate to the web app - Manual sync does not resolve the issue - Logout/login sometimes helps, inconsistently ### 2.3 **Windows Desktop Outlook** - Syncs perfectly with Android - Does not sync with the web app - Shows correct, up‑to‑date task data ### 2.4 **Platform Sync Matrix** | Action | Desktop Outlook | Android To Do | Outlook Web App | |--------|-----------------|---------------|------------------| | Create/edit task on **Desktop** | ✔ Syncs to Android | ✔ | ✖ No sync to Web | | Create/edit task on **Android** | ✔ Syncs to Desktop | ✔ | ✖ No sync to Web | | Create/edit task on **Web** | ✖ No sync to Desktop | ✖ | ✔ Stays only on Web | **Conclusion:** The Outlook Web App is **fully isolated** from Exchange Online’s task sync pipeline. --- ## 3. **Troubleshooting Steps Already Attempted** ### 3.1 **Web App** - Hard refresh (Ctrl + Shift + R) - Full browser cache clear - Logout → close browser → reopen → login - Switching lists to force metadata reload - Creating tasks to trigger sync events - Deleting tasks to force backend updates ### 3.2 **Android** - Manual sync - Clear cache - Logout/login - Device restart - Network switching - Creating/completing tasks to trigger sync ### 3.3 **Desktop Outlook** - Verified account health - Verified Exchange Online connectivity - Verified task folder integrity ### 3.4 **Account / Backend** - Verified Microsoft Account stability - Verified no multi‑account conflicts - Verified Exchange Online service health None of these steps produce consistent or lasting resolution. --- ## 4. **Frequency and Pattern** - Occurs multiple times per week - Occurs regardless of recent task edits - Occurs across multiple browsers - Occurs across multiple Android versions - Sync resumes randomly after hours - Sync resumes without any data changes - Sync resumes after logout/login, but inconsistently This pattern strongly suggests **backend sync token stalling**. --- ## 5. **Technical Analysis** ### 5.1 **Two‑Way Sync Failure Confined to Web App** Because: - Desktop ↔ Android works - Web ↔ (Desktop / Android) fails The failure is isolated to the **web app’s connection to Exchange Online**. ### 5.2 **Sync Token Stalling (Most Likely Cause)** Symptoms match known sync token stall behavior: - Endless “Synchronization in progress” - Manual sync fails - Sync resumes randomly - Sync resumes after forced metadata refresh - Sync resumes after unrelated actions (e.g., completing a task) ### 5.3 **Not a Corrupted Task Issue** Because the same tasks later sync successfully: - No malformed tasks - No unsupported metadata - No blocked sync queue - No corrupted lists ### 5.4 **Backend Sync Pipeline Instability** The pipeline: **Web App → Microsoft Sync Service → Exchange Online → Desktop / Android** appears to be failing at the **first hop** (web app → sync service). ### 5.5 **Web App Lacks Retry Logic** The web app provides: - No manual retry - No way to cancel a stuck sync - No way to reset sync session - No way to regenerate sync token Thus, when the backend stalls, the web app remains stuck indefinitely. ### 5.6 **Android Background Sync Not the Cause** Android is syncing perfectly with desktop Outlook, proving Android is not the source of the issue. ### 5.7 **Web App Sync Isolation (New Insight)** The web app is the **only** platform failing to communicate with Exchange Online. This is now clearly a **web‑app‑specific sync session failure**, not a multi‑platform issue. --- ## 6. **Impact** - Tasks frequently out of sync - Web app becomes unusable for task management - Daily workflow disrupted - Manual intervention required multiple times per week - Task state inconsistent across platforms - Reduced confidence in Microsoft To Do as a reliable ecosystem --- ## 7. **Requested Assistance** ### 7.1 **Engineering‑Level Investigation** Specifically into: - Outlook Web App sync token behavior - Web app → Exchange Online sync session stability - Backend retry logic - Web app sync error handling - Web app task API connectivity ### 7.2 **Diagnostic Tools** If available: - Sync session logs - Sync token status - Task metadata inspection tools - Backend queue visibility - Error codes beyond “Synchronization failed” ### 7.3 **Known Issues** Requesting documentation on: - Known To Do / Outlook Web sync token stalls - Known Exchange Online sync delays - Known intermittent sync failures - Known web app pipeline instability ### 7.4 **Confirmation Whether This Is a Known Issue** Given the duration and reproducibility, this appears to be a **backend‑level web app sync failure**. ### 7.5 **Request for Web App Sync Session Reset** Specifically: - Manual reset of the web app’s sync session - Forced regeneration of sync token - Flush of stuck sync queues - Verification of web app’s Exchange Online connectivity --- ## 8. **Evidence Available** I can provide: - Screenshots of “Synchronization failed” - Screenshots of “Synchronization in progress” - Timeline of sync failures - Android device logs - Browser console logs --- ## 9. **Conclusion** This is a **persistent, platform‑specific sync failure** affecting only the Outlook Web App. Desktop Outlook and Android To Do sync perfectly, proving the backend and data are healthy. The web app is isolated and failing to communicate with Exchange Online. I am requesting **engineering‑level support** to reset or repair the web app’s sync session and investigate the underlying cause. ---Solvedcurtis00000001Jul 01, 2026Tin Contributor183Views0likes1CommentAll my unassigned tasks vanished overnight
Hi, about 300 of my unassigned tasks -those not on lists- vanished overnight. All of them. My tasks on lists seem to be all there. The previous day, I was doing cleaning on that list, since the android app stopped synching, and it was sluggish before that. I had over 50000 completed tasks on that list. I moved those 300 uncomplete tasks to a temporary list, deleted all completed tasks, then moved those 300 back, and deleted the temprorary list. I most definitely did not delete those 300 tasks in question, and I checked hours before going to bed and going to bed that on my phone, in the desktop app and in my desktop browser they were all present and in synch, and addings tasks was very snappy and synched across devices. Official chat was completely useless and I couldn't even reach or be connected to anybody in the correct department after banging my head against a wall for an hour. I have little hope of fixing this, but is there anything I can do, or should I just finally bail out of using this buggy mess of a software? ThanksPaleBlueBlobJun 24, 2026Copper Contributor115Views0likes1CommentMicrosoft ToDo: Image/Picture insert from Clipboard #Bug
if I insert a pic from clipboard (source Irfan-view) the size in Microsoft ToDo is always up to 5 times greater then the saved picture to Filesystem. If I insert the pic from Filesystem, all good. Copy/Paste must be have a bug in MS-ToDo. e.g. 100KB-File pasting it shows and uses 1MB.HTD467886May 29, 2026Copper Contributor39Views0likes0CommentsSorting tasks into lists from “All” on mobile
I am not sure if I’m missing something, but is there an easy way to add tasks to a list from the ♾️ All list? I like to add tasks there then be able to add them to lists - I’m hoping to long press and add it to a list or select a list from a drop down when I click into the task. I’m aware of the sorting feature where you select multiple and add them to a list, but that is cumbersome when you only want to add one task to a list.laurenkd89May 19, 2026Copper Contributor152Views0likes1Comment
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