Changing between multiple Teams accounts within the app or browser
Same issues for me.
This is the script ive written to do the job...
there are plenty of parts in this thread which do not work as folder names etc are incorrect
TASKKILL /IM MS-Teams.exe /F
ren "%LocalAppData%\Local\Microsoft\OneAuth\accounts" "accounts_old"
ren "%LocalAppData%\Local\Packages\MSTeams_8wekyb3d8bbwe" "MSTeams_8wekyb3d8bbwe_OLD" /f /q
ren "%LocalAppData%\Packages\Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy" "Microsoft.AAD.BrokerPlugin_OLD"
ren "%LocalAppData%\Microsoft\OneAuth" "OneAuth_OLD"
ren "%LocalAppData%\Microsoft\TokenBroker" "TokenBroker_OLD"
ren "%LocalAppData%\Microsoft\IdentityCache" "IdentityCache_OLD"
ren "%AppData%\Microsoft\Teams" "Teams_OLD"
reg delete "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Teams" /f
shutdown -r -t 20