@Christoph Roth Thanks for posting in our Q&A.
It is a bug. Some users may be unable to screenshare in Teams after upgrading to MacOS version 15.X.
Affected users may utilize the following workaround to re-enable screensharing:
- Open System Settings
- Select Privacy & Security
- Select Screen & System Audio Recording
- If Microsoft Teams is available on the list of applications, delete it by selecting it and clicking -.
- Click on + and select Microsoft Teams from the Application folder.
- Click on Quit & Reopen.
- Verify Microsoft Teams is enabled in the Screen & System Audio Recording tab.
- Relaunch Microsoft Teams.
If this issue still exists, please call Microsoft support to get more help.
Thanks for your understanding.
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