Teams will not open or sign in
Steps for a blank window, a spinning wheel or a sign-in loop.
- Wait a minute. Teams can be slow to start.
- Quit Teams fully. Right-click the Teams icon near the clock and choose Quit.
- Open Teams again.
- Restart your computer and try again.
- Open Teams in your browser at teams.microsoft.com, so you can keep working.
Good to know
If it keeps failing, tell us the error message and take a screenshot.