To determine if this issue is related to client or account, please check if this problem exists in other types of client (such as Windows desktop client or Teams web client).
If this issue only appears in Mac client, we recommend you log out Teams client and clear your Teams client cache file by following these tips as below:
1.Fully quit Microsoft Teams
2.Open Finder, then click Go and select Go to Folder.
3.Copy and paste the following into the Go to Folder box, then click Go:
~/Library/Application Support/Microsoft
4.Right click the Teams folder, then click Move to Trash.
5.Relaunch Microsoft Teams.
I did a test in Mac OS Catalina and it works normally. The following picture is for your reference:
If the above suggestion doesn’t work for you, I have some questions to confirm with you:
1)Have you tried another account to test in Mac client?
2)Does anyone else have the same issue in your organization?
If the response is helpful, please click "Accept Answer" and upvote it.
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