Teams Won't Load or Sign In

Summary

Learn what to do when Microsoft Teams won't open, keeps loading, or won't let you sign in.

Body

Learn what to try when Microsoft Teams won't open, keeps loading, or won't let you sign in.

Try these in order

1

Quit and reopen Teams

Fully close Teams (right-click the icon and select Quit), then open it again.

2

Sign out and back in

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

3

Restart your computer

This also installs any pending Teams updates.

4

Reset Teams on Windows

Go to Settings, then Apps, then Installed apps. Find Microsoft Teams, select Advanced options, then Reset.

5

Use Teams in a browser

Go to teams.microsoft.com to keep working while the app is fixed.

Can't sign in to anything, not just Teams? It's an account or MFA problem. See Can't Log In.

Get help

Submit a request through the Microsoft Teams service.

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Details

Details

Article ID: 165247
Created
Sun 10/18/26 6:50 PM
Modified
Sun 10/18/26 6:51 PM
Audience
Employees
Students