When you encounter this issue, you’ll receive the following full error message;
Sorry, you need to sign out of Teams and sign in again
If you’re faced with this issue, you can try our recommended solutions below in no particular order and see if that helps to resolve the issue. Let’s take a look at the description of the process involved concerning each of the listed solutions.
1] Delete the system temporary files
In Windows 10 temporary files that help the operating system do its jobs and make the system faster. Sometimes these cache files can be corrupted, and it interferes with some application performance. If you are running low on storage space, or notice some unusual behavior of any application then the first thing you need to do is delete the system temp files. If the issue is still unresolved, try the next solution.
2] Clear the Microsoft Teams cache
To clear the Microsoft Teams cache, do the following:
Sign-out of Teams and Outlook application from the system.Next, press Windows key + R to invoke the Run dialog.In the Run dialog box, copy and paste the directory path below and hit Enter.
At the location, press CTRL + A to select all the contents of the folder.Tap DELETE on your keyboard.
This will clear the Teams cache and the issue should be resolved when you launch Outlook and Teams again. Hope this helps! Microsoft Teams have many capabilities, and its core capabilities are Messaging, Calling, Video calling, Meetings, and File Sharing. It is becoming very popular among the corporate world and many organizations are already migrating their business communication tool from Skype to Teams.