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Open the Terminal (Applications / Utilities or you can use Spotlight to open the Terminal app).Following these steps will disable the preview feature for encrypted email which is known to cause Outlook to freeze. 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.ģ.
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If you downloaded Outlook from the Mac App Store, then open the App Store app to update it. And click Update if there are updates available.
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Some users have also stated that they were unable to launch the software. Another similar issue is that Outlook may become too slow to respond on your Mac. More specifically, Outlook may randomly crash or freeze when you want to check your email. Is Outlook not working correctly? This article explains how you can fix when you have Outlook mail issues on your Mac.
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