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Office Mac Update - High Sierra Update 16.12 for Outlook 2016

ISSUE: A recent software update for Microsoft Office on Mac computers can prevent Outlook from working properly.  If your Mac is running macOS High Sierra and you install update 16.12 for Outlook 2016, then Outlook will repeatedly (every 30 seconds or so) prompt for your email password.


Since individual updates for Office on Mac cannot be uninstalled, the workaround for affected systems entails backing up certain files*, removing Microsoft Office, then reinstalling Office.  Remember that you can still always access email via the Outlook Web App,

To determine whether your Mac is susceptible to the issue described above, try the following steps:

Fourth, if you already have the update and this issue is presenting itself, or if you just have other questions or concerns, please contact the IT Service Desk at 859-622-3000.

* Anyone using local folders in Outlook for Mac (email saved directly to the computer so that it does not count toward email quota) should contact the IT Service Desk.

Contact Information

IT Service Desk