Latest macOS Office Build(Insider Fast) brings new features and bug fixes

by Rahul
October 16, 2020

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Microsoft has released Office for Mac (Insider Fast build) Version 16.43 (Build 20100803). The latest Insider Preview Build brings a number of new features and no bug fixes. The update includes no known issues. You can read the official changelog below.



New features

  • S/MIME: Apply digital encryption to control who can view messages and use signatures to ensure emails haven’t been tampered with.

Apply digital encryption.

  • Mandatory Label: As a tenant administrator, you can now require that a label be applied before users can send emails.

Mandatory Label.

Bug fixes

  • Calendar: When creating an event, the event-end time-picker is now easier to use
  • Calendar: Fixed a bug in new time proposals where attendee information was getting lost
  • Contacts: Fixed a bug where the contact details window does not open when Outlook is offline

Known issues


To update to Office Insider Preview Build, open any Office program and go to File > Account > Update options > Update now.

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