Clear Teams cache - Microsoft Teams | Microsoft Learn
https://learn.microsoft.com/en-us/microsoftteams/troubleshoot/teams-administration/clear-teams-cache
WEBClear the cache in Teams for Windows Classic Teams. If Teams is still running, right-click the Teams icon on the taskbar, and then select Quit. Open the Run dialog box by pressing the Windows logo key +R. In the Run dialog box, enter the following path, and then select OK: %appdata%\Microsoft\Teams Delete all files and folders in the directory.
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