If you are an Office Insider and running the Microsoft Office version 2106, Microsoft released a new update build 14131.20008. This build is currently rolling out to Office Insiders who are in the Windows Beta Channel (Fast Ring).
The latest Office Insiders Preview Build doesn't contain any new features, but it adds the following improvements for Microsoft Word, Microsoft PowerPoint, and the entire Office suite.
What's new and improved in Microsoft Office Build 14131
Word Notable fixes
» Fixed an issue where comment replies were sometimes lost when coauthoring with multiple users.
» Fixed an issue where character spacing increased for specific fonts when rotating them 90 degrees.
PowerPoint Notable fixes
» Fixed an issue to ensure that a file saved using the Retry Save button on the bus bar is added to the Recent List.
Office Suite Notable fixes
» Fixed an issue where the CLP feature previously caused unprompted saves to the SyncBacked file (File synced by OneDrive).
» Fixed an issue where the user was unable to edit files stored in OnPrem servers.