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If one of your devices isn't sending or receiving email, removing the partnership between the mobile device and your mailbox can help fix sync issues.

Important: If your Microsoft cloud storage is full, you cannot send or receive email. We're sorry, but messages sent to you while your storage was full are bounced back to the sender and are unrecoverable. Check your mailbox storage to see what's taking up space. Learn more about recent changes.

  1. Go to Settings  > General > Mobile devices.

  2. Select your device in the list, and then select Delete to delete the device partnership.

  3. At the top of the window, select Save.

  4. Go to your mobile device and power it off completely.

  5. Restart your mobile device after a few seconds, and then sync your mailbox again.

If these tips don't help, try our interactive troubleshooter.

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Can't send or receive email in Outlook.com

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