Signing into your Microsoft Teams account shouldnt take more than a few seconds.
But the app may sometimes get stuck in the Checking Your Credentials loop.
Open a new private net online gate tab, go tohttps://teams.microsoft.com/goand check the results.
Maybe the issue is specific to one equipment or app version.
Check Your Date and Time options
Check your date and time options and ensure theyre correct.
Incorrect Windows date and time configs trigger security alerts on the servers end, preventing your connection.
Delete Teams Credentials
Try deleting your Teams credentials and see if this method works.
Let Windows 10 set your time zone automatically.
Let us know if this method worked for you.