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My Mac Cannot Sync Contacts After Opting in to Two-Step Login for Office 365

This article applies to: Two-Step Login

User Experience

If you use the macOS Contacts app, you may not be able to sync your contacts after opting in to Two-Step Login for Office 365.

What to Do

  1. Select System Preferences.
  2. Select iCloud.
  3. Deselect (uncheck) iCloud Keychain.
  4. Select OK.

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