How To Repair Outlook On Mac

When you’re experiencing issues with Microsoft Outlook on your Mac, it can cause a significant disruption to your productivity. The good news is that you can usually resolve these issues yourself by following a few simple steps.

Important Note

Before you start, remember to back up your important data to avoid any loss as these procedures may sometimes involve data risk.

Restart Outlook

Sometimes, a simple restart can solve many problems. To restart Outlook, follow these steps:

  • Close Outlook
  • Wait a few seconds
  • Open Outlook again

Repair Disk Permissions

In some cases, repairing disk permissions can help to resolve issues with Outlook. Here’s how you can do it:

Go to Utilities > Terminal. Type the following command into the Terminal window and press Enter:

sudo diskutil resetUserPermissions / `id -u`

You will be prompted for your password. Type it in and press Enter. Disk permissions will be reset. Try opening Outlook again to see if the problem has been resolved.

Delete and Reinstall Outlook

If the above methods do not resolve your issue, you may need to delete and reinstall Outlook. Please note that this should be your last resort, as it involves completely removing the application and all of its data from your computer, and then reinstalling it.

To do this, follow these steps:

  • Quit Outlook
  • Open Finder and go to the Applications folder
  • Drag the Microsoft Outlook application to the Trash
  • Empty the Trash
  • Re-download and install Outlook from the Mac App Store or the Microsoft website


Being unable to access your emails can be frustrating. Thankfully, the steps outlined in this article should help you get Outlook working again on your Mac. Make sure to back up your data before you start, and remember that if you’re not comfortable resolving these issues on your own, you should reach out to a professional for assistance.