Friday , October 22 2021
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Mac Outlook 2016 Screen/View Crashed and Flashing black

The Outlook 2016 client has been trusted workhorse for email since the full release.  However the latest version 15.17.1 seemed to have a strange flashing and crashed view window.  It even lost the header and was unable to show a preview plane.  The solution was easy fix without hurting the mail profile.

Run up Terminal window on the MAC:

  1. Type: defaults delete com.microsoft.Outlook (to delete the old preferences)
  2. Type: killall cfprefsd (to kill the cached prefs)
  3. Launch Outlook

That fixed the outlook view and everything restored.

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