Troubleshoot Microsoft Teams: Restart, Sign Out, and Clear the Cache

Learn the quick fixes for Microsoft Teams when it won't load, keeps crashing, shows old messages, or won't sign in. Try them in order.

1

Quit Teams completely

Windows: right-click the Teams icon near the clock and select Quit. Mac: select Teams > Quit Microsoft Teams. Then open it again.

2

Sign out and back in

Select your profile picture > Sign out, then sign back in with your NCU account.

3

Update Teams

Select Settings and more (…) > Check for updates, then restart Teams.

4

Restart your computer

It fixes more than you'd expect.

5

Clear the Teams cache

See the steps below. You won't lose any chats, files, or meetings.

Clear the Teams cache

Computer
How
Windows
Quit Teams. Open Settings > Apps > Installed apps, find Microsoft Teams, select … > Advanced options, then select Reset. Open Teams and sign in.
Mac
Quit Teams. In Finder, select Go > Go to Folder and open ~/Library/Containers/com.microsoft.teams2. Delete that folder, then open Teams and sign in.

Need to join a meeting right now? Use Teams in a web browser at teams.microsoft.com while you sort out the app.

Get help

Still not working? Submit a request through Microsoft Teams, call the IT Service Desk at 612.343.4170, or visit Miller Hall 226.