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Uninstall & Reinstall Issues

How to Stop Microsoft 365 from Replacing Office Home and Student 2019

Maira MehtabMaira Mehtab Sep 20, 2026 869 views

Question details

The user wants to prevent a newly purchased Microsoft 365 subscription from automatically replacing their existing Office Home and Student 2019 software on a personal computer.

Product
Microsoft 365 and Office 2019
Device & OS
not provided
Scenario
Managing different Microsoft Office licenses and installations across multiple computers within the same household.
Observed behavior
Microsoft 365 is attempting to automatically overwrite and replace the Office Home and Student 2019 installation on the user's personal device.
Before you start

Verify your Microsoft account credentials and ensure your Office Home and Student 2019 digital license is securely linked to your account at account.microsoft.com before proceeding, in case you need to reinstall it.

Solution 1Recommended

Use the Microsoft Support and Recovery Assistant to Uninstall Microsoft 365

Using the official uninstall support tool completely wipes Microsoft 365 registry keys and files, preventing it from interfering with your standalone Office 2019 version.

Simply uninstalling Microsoft 365 from the Windows Control Panel might leave residual background services that continuously attempt to upgrade older Office versions. The official Microsoft Support and Recovery Assistant ensures a clean removal.

1
Download the Uninstall Tool

Navigate to the official Microsoft Support website and download the Microsoft Support and Recovery Assistant (SaRA) uninstall tool.

2
Run the Assistant

Double-click the downloaded 'SetupProd_OffScrub.exe' file and click 'Install' to launch the application.

3
Select the Version to Uninstall

In the 'Uninstall Office products' window, check the box next to 'Microsoft 365' and click 'Next' to proceed. Do not select Office 2019.

4
Confirm and Restart

Follow the remaining prompts to completely remove the software. Once finished, restart your computer when prompted to clear all background processes.

5
Reinstall Office 2019 (If Necessary)

If Microsoft 365 had already fully overwritten your software, log into your Microsoft Account dashboard, go to 'Services & subscriptions', and click 'Install' next to your Office Home and Student 2019 license.

Account Sharing Settings: If the Microsoft 365 Family subscription is shared with your Microsoft account, ensure you do not inadvertently click 'Install Premium Office' from within your account dashboard in the future.
Free Microsoft Office alternative

Switch to WPS Office for a Hassle-Free Experience

Tired of dealing with forced upgrades, subscription overlaps, and automatic uninstalls? WPS Office provides a lightweight, entirely free alternative that won't interfere with your system or force unexpected updates.

  1. 1. Download the Installer: Visit the official WPS Office website and download the free version for your operating system.
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microsoft office alternative - wps office

Frequently Asked Questions

Can I have both Microsoft 365 and Office 2019 installed on the same computer?

Microsoft strongly advises against running a subscription version (Microsoft 365) and a standalone version (Office 2019) on the same computer. The installation processes use the same underlying technology (Click-to-Run), which typically causes the newer subscription version to overwrite the standalone version.

Will uninstalling Microsoft 365 delete my personal files?

No. Uninstalling Microsoft 365 applications only removes the software programs (Word, Excel, PowerPoint, etc.). Your locally saved documents, spreadsheets, and presentations will remain completely untouched on your hard drive.

How do I find my Office Home and Student 2019 download link?

You can reinstall Office Home and Student 2019 by signing into your Microsoft account at account.microsoft.com, navigating to the 'Services & subscriptions' tab, locating your Office 2019 product, and selecting 'Install'.