MC252056: Office App for Windows Improvements with Multiple Instance

The new version of the Office App for Windows has improved performance, reliability, and includes the ability to open multiple instances of the app. This update is specifically for the Office app on Windows and does not impact individual applications within the Office Suite (Word, Excel, Powerpoint, etc). This update contains an update to the app header, and users can now open more than one app window at a time. Performance updates include efficiency improvements, like faster app loading time. This update should not impact the end-user experience. This message is associated with Microsoft 365 Roadmap ID 70811.

MC252056: Office App for Windows Improvements with Multiple Instance

Affected Workloads

  • Microsoft 365 Apps

When this will happen

We will begin rolling this out in early June and expect to complete the rollout by late July (previously late June).

How this will affect your organization

Users may notice faster and more reliable app performance when using this new Office App for Desktop update.
In addition, they will see a new, cleaner app header and be able to open more than one app window at a time.

Cleaner app header and be able to open more than one app window at a time.

Users without WIN32 installed will be able to view files directly in the Office App for Desktop, and be able to compare documents using additional app windows.

What you need to do to prepare

You might want to notify your users about this new capability and update your training and documentation as appropriate.

Message ID: MC252056
Published: 22 April 2021
Updated: 01 July 2021

Published by Marie Miguel

, has been a writing and research expert for nearly a decade, covering a variety of health- related topics. Currently, she is contributing to the expansion and growth of a free online mental health resource with MyTherapist.com. With an interest and dedication to addressing stigmas associated with mental health, she continues to specifically target subjects related to anxiety and depression.