Last Updated: March 14, 2018
After installing the March 13, 2018, update for Word 2016 (KB4011730), you may not be able to open or save Word documents.
This issue occurs only for those who receive Office 2016 updates using Windows Installer technology (MSI). If you have a Click-to-Run edition of Office, such as Office 365 Personal, you won't encounter this issue.
We are aware of this issue and working on a fix. In the meantime, you may be able to workaround this issue by installing the March 6, 2018, update for Office 2016 (KB4018295).
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