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You are here: Home / How to / Outlook for Mac Not Working: Freezes or Crashes, Fix

Outlook for Mac Not Working: Freezes or Crashes, Fix

Last updated on December 20, 2019 By Serhat Kurt 9 Comments

Is Outlook not working correctly? This article explains how you can fix when you have Outlook mail issues on your Mac. More specifically, Outlook may randomly crash or freeze when you want to check your email. Another similar issue is that Outlook may become too slow to respond on your Mac. Some users have also stated that they were unable to launch the software. Several factors may result in these types of performance problems.

Outlook for Mac

If you are having a similar problem, here is how you can troubleshoot:

See also: Mac Mail App Opens Itself Randomly, Fix

Outlook not working?

Please try each step below one at a time. Make sure to check your Mac after each step to see if Outlook starts working again.

1. Restart your Mac. You can restart your Mac by going to the Apple menu > Restart.

Restart your Mac

2. Make sure that both macOS and Outlook are up to date.

  • Update your Mac: Go to System Preferences and click Software Update. If your Mac version is macOS High Sierra or earlier, then go to the App Store app to update the software on your Mac.
  • Update Outlook on Mac: Open Microsoft Word, Excel, or another Microsoft Office application, and then click Help > Check for Updates. AutoUpdate will check for updates. And click Update if there are updates available. If you downloaded Outlook from the Mac App Store, then open the App Store app to update it. Updating Outlook will also fix if you are seeing the “You can’t use this version of the application “Microsoft Outlook” with this version of macOS“ error message.

After updating, restart your Mac.

3. Follow the steps below. Following these steps will disable the preview feature for encrypted email which is known to cause Outlook to freeze. Here is how:

  • Quit Outlook (Outlook > Quit Outlook).
  • Open the Terminal (Applications / Utilities or you can use Spotlight to open the Terminal app).
  • Enter the following command and hit enter:
defaults write com.microsoft.Outlook DisablePreviewForSMIME 1
  • Now enter the following command and press enter:
killall cfprefsd
  • Close Terminal.
  • Restart your Mac.
  • Open Outlook and test.

4. Are you using add-ins in Outlook such as WebEx, Mendeley, EndNote, Zotero, Grammarly, Boomerang, etc? Outdated third-party add-ins may cause these types of issues. It is very essential that you have the latest updates for your add-ins.

5– If you are still having issues with Mac Outlook, then let’s try the following: Following the steps below will help you identify if you have a Profile issue. We will use the Outlook Profile Manager.app and create a new profile. Then we will set this profile as default. If you can open Outlook without an issue, this means that your old profile corrupted and needs to be repaired. Here is how:

  • Open the Applications folder.
  • Right-click (or control-click) Microsoft Outlook and click Show Package Contents.
  • Go to Contents > SharedSupport, and Outlook Profile Manager.
  • Create a new profile by clicking the Create a new profile (+) button.
  • Enter a new name for the new profile.
  • Select this new profile and click the tools/gears icon (Set the default profile) and click Set as Default.
  • Quit Outlook (Outlook > Quit Outlook) and then re-open Outlook.

Now test Outlook. Does your problem occur or not? If it is now working, this means that your original profile file needs to be repaired. If this is the case, here is how you can repair it:

  • Change the profile to the original (follow the steps above).
  • Go to FinderClick Go and Go to Folder and Enter:
~/Library/Group Containers/UBF8T346G9.Office/Outlook/Outlook 15 Profiles/Main Profile/Data

Outlook go to folder

  • Click Go.
  • And find and drag the Outlook.sqllite to your desktop.
  • Open Outlook, Outlook will say “there is a problem and Outlook needs to rebuild”, and then follow the onscreen instructions.

See also: How To Turn Off Split Screen In Mail

Filed Under: How to Tagged With: Outlook

Comments

  1. Lyvia says

    February 5, 2021 at 11:50 am

    Hi, I’ve tried all those step, created the new profile didn’t sort the issue out, but I created anyway, then follow the step above, it didn’t pop up the message to allow me rebuild, repair instead, but outlook still doesn’t work. mine is macOS Catalina 10.15.7 Please help.

    Reply
  2. Lyvia says

    February 5, 2021 at 2:15 am

    please help, tried all the step, didn’t work. pop up microsoft error reporting, mine is macOS catalina version 10.15.7

    Reply
  3. Christine F Shores says

    December 28, 2020 at 12:05 am

    Step 3 worked for me!

    Reply
  4. Carol says

    November 30, 2020 at 9:13 am

    Thanks. This worked even for a technofoab like me! Cheers

    Reply
  5. Andrew says

    September 24, 2020 at 4:53 pm

    Seems to be working , just waiting for repair to run through. A query. What do you do with the SQLLITE file that’s now on the desktop? Can it be binned? Or just leave it out of the way on desktop? Many thanks, v clear instructions .

    Reply
  6. Wolfie says

    August 25, 2020 at 8:29 am

    Last step is the key one.
    macOS Catalina 10.15.6

    Reply
  7. Ross says

    August 19, 2020 at 3:36 pm

    Can confirm step 5 is the answer!

    Reply
  8. Sophie says

    August 11, 2020 at 6:47 pm

    Although it took a while, Step #5 worked 🙂

    Reply
  9. CG says

    July 20, 2020 at 6:30 pm

    Awww Yeesss! step 5 actually worked for me thanks you guys rock!!

    Reply

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