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I updated to MacOS Catalina and now I cannot share my app screens. I can share my desktop, but that is all others can see.
Additional features, settings, or issues not covered by specific Microsoft Teams categories
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
Found it.
System Preferences
Security & Privacy
Privacy
Screen Recording
My system had an entry (unchecked) for Microsoft teams. I think it asked me as I was launching but I blew by it. Not sure how you'd add it if it's not there. You just have to turn it on, and Teams screen sharing will work.
I found that I am stuck in the loop of being asked for permissions and the permissions already being granted. Nothing suggested worked.
I then stopped Team running in Full Screen Mode.
Bingo I can share.
Go back to Full Screen mode... Permissions message again...
So try not running in full screen mode
This was a great tip. Screen sharing option disappeared today, yesterday it worked. Just realized MS Teams was in fullscreen mode. Switched to window mode and suddenly the display sharing option reappeared!
I have the same issue, I have the latest version of Teams - 1.2.00.34155.
It works if I do not have Teams and Google Chrome in full screen, took me a while to figure out.
Switching to full screen (using green button for maximize) works for me.