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Bstove5's avatar
Bstove5
Brass Contributor
Sep 21, 2022
Solved

I cannot post images or files in a group chat where everyone else can

I am a member of a group Chat (not a Team or Channel, just a Chat with multiple people). There are 6 people in this Chat, 5 from my company (including me) and one from an external client. My company ...
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  • Bstove5's avatar
    Bstove5
    Sep 28, 2022
    I found the solution to my own problem. Hopefully it helps others.

    I learned my co-workers were all dropping screenshots into the chat from the Windows Snipping Tool. If you take a screenshot with that (Shift+Win+S) it automatically copies the image to your clipboard, and CTRL+V will work to paste it in the chat.
    I tested with my preferred screencap app (ShareX) and it does not work to paste. Neither does an image copied from Windows Photos app, or any other app that I tested. It would seem that the Snipping Tool has some exception, and can paste into any Teams chat, even one with an external party.

    So, to recap, for Teams Chat that includes and External participant: You can attach files with no problem from the Android app, but not Desktop or Web apps. For Desktop or Web, the only program which will allow you to paste an image is the Windows Snipping Tool.

    Hopefully this saves somebody else the weeks of frustration it has caused me.
ChristianJBergstrom's avatar
ChristianJBergstrom
MVP
Sep 22, 2022
Using federation (external access) you cannot share files. Not you or the user from the trusted org. You will not even see the attachment icon. The same goes for guest access unless you change the default sharing link. You never share attached files in Teams, they are always links pointing to either SharePoint or OneDrive.
Bstove5's avatar
Bstove5
Brass Contributor
Sep 27, 2022

I should mention that I'm not just talking about uploading documents. The most annoying thing is that I cannot post screenshots (or any other images). I believe these are not OneDrive objects, but embedded in the Teams chat.

 

I have heard from others that you simply can't share any files or images in a Chat with an External participant, but the thing is that everyone else from my organization can drop files and images into this Chat, and the External person can as well. And I can actually add files to this Chat from Teams on the Android app. It is only my account when using Desktop or Web Teams which can't upload files.

We are not federated with the organization of the External participant. Their 365 Tenant is not connected to ours in any way, except for this one user being manually invited to this one Chat.