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Microsoft Office Authentication/Verification Errors

Resolve 'Cannot verify user' and sign-in issues across Microsoft Office apps (Outlook, Word, Excel, Teams)

Step-by-Step Instructions

  1. Open any Microsoft Office app (Outlook, Word, Excel, Teams)
  2. Navigate to File > Account (or app Account settings)
  3. Sign out of Work/School account and sign back in with company credentials
  4. Verify the correct work/school account is selected under Account
  5. Clear cached credentials in Windows Credential Manager (if sign-in loops)
  6. Clear browser cache if using Office apps on the web

Step-by-Step Images

Step 1

Step 1 for Microsoft Office Authentication/Verification Errors

Step 2

Step 2 for Microsoft Office Authentication/Verification Errors

Step 3

Step 3 for Microsoft Office Authentication/Verification Errors

Related Keywords

office m365 outlook word excel teams authentication login verify account password

Applies To

Outlook Word Excel Teams Windows macOS

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