macOS Office Insider Preview Build adds Add-ins support to Outlook and more

by Rahul
May 10, 2020

Is Copilot the best AI companion out there? Help us find out by answering a couple of quick questions!

Microsoft has released a new Office Build for Office Insiders on macOS. The latest Office Insider Preview Build (20050602) for macOS adds a number of new features and a lot of bug fixes.

With the latest Office Insider Build installed on your Mac, you’ll get to use Add-ins in Outlook. It also added sensitivity labeling, Mail Tips, and Automatic Replies, Message List Improvements to Outlook. You can see the full official changelog below.



New features

Add-ins for Outlook are now available

  • Install your favorite add-ins and enhance your productivity within Outlook.
  • You can install add-ins by going to the Customize Toolbar section within Outlook.
  • This feature is being rolled out gradually so if you don’t see add-ins just yet, please check back in a couple of days.

Outlook for Mac showing an add-in in use

Sensitivity labeling

  • When composing an email, you will now be able to apply a sensitivity label and view the default label if configured by your administrator.
  • You can add the Sensitivity button to the compose Toolbar via Customize Toolbar… or use Sensitivity in top Draft menu.
  • For more information on this feature, please visit

CLP Default Label

Message List Improvements

  • Sender images in the message list are now available. Sender images can help improve scannability of incoming messages and help you quickly pick out email that is important to you.
  • You will see sender images in the message list when the message list is set to the Comfortable setting.

Sender images and draft affordance in the message list

Mail Tips for Automatic Replies

Outlook will now show a information bar indicating when someone on your recipient list has their automatic reply turned on.

Automatic Replies Mailtip

Bug fixes

  • Various improvements to app stability and performance
  • Message List: Improvements to keyboard navigation and VO prompts
  • My Day: Performance improvements when displaying a large number of agenda items
  • Calendar Events: Improved keyboard navigation for Propose New Time
  • Calendar Events: @Mentions now work when in the event compose form

Known issues

No known issues

To update to the latest Office Insider Preview Build, open any Office program and go to File> Account> Update Options> Update Now.

Leave a Reply

Your email address will not be published. Required fields are marked

{"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}