Learn what to try when Microsoft Teams won't open, keeps loading, or won't let you sign in.
Try these in order
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1
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Quit and reopen Teams
Fully close Teams (right-click the icon and select Quit), then open it again.
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2
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Sign out and back in
Select your profile picture, then Sign out, and sign in with your NCU account.
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3
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Restart your computer
This also installs any pending Teams updates.
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4
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Reset Teams on Windows
Go to Settings, then Apps, then Installed apps. Find Microsoft Teams, select Advanced options, then Reset.
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5
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Use Teams in a browser
Go to teams.microsoft.com to keep working while the app is fixed.
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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.