Rolls back the Microsoft 365 Apps for business/enterprise to version 2102, to work around a bug affecting the display of email signatures, compose windows, and display.  Note that you must go in there afterwards and disable updates until Microsoft has a hotfix available.

Installation Options

Copy and Paste the following command to install this package using PowerShellGet More Info

Install-Script -Name Revert-M365AppsFrom2104

Copy and Paste the following command to install this package using Microsoft.PowerShell.PSResourceGet More Info

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Manually download the .nupkg file to your system's default download location. Note that the file won't be unpacked, and won't include any dependencies. Learn More



(c) 2021 Colin Cogle. All Rights Reserved. Licensed under the AGPLv3.

Package Details


  • Colin Cogle


Microsoft screwed up again 2104 Office 2016 2019 Current Channel Outlook bug email M365 update devops-fail


This script has no dependencies.

Release Notes

Documentation updates, link to PowerShell Gallery.


Version History

Version Downloads Last updated
1.0.1 (current version) 80 5/11/2021
1.0 28 5/11/2021