* 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. Third, choose Manual Updates so you can skip this version of Outlook until a fix is published.įourth, 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 85.outlook high sierra microsoft outlook for mac high sierra outlook. Second, check the version of Office on your computer. If you do not wish to install the update immediately, quit the installer when it appears.First, check the macOS version of your computer.To determine whether your Mac is susceptible to the issue described above, try the following steps: Remember that you can still always access email via the Outlook Web App. 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. 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. Outlook Wont Work in MacOS High Sierra Fix Open Microsoft Word, Excel, or another Microsoft application. ISSUE: A recent software update for Microsoft Office on Mac computers can prevent Outlook from working properly.