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Uninstall & Reinstall Issues

How to Stop Office 2013 from Reinstalling After Upgrading to Microsoft 365

John WilsonJohn Wilson Oct 16, 2026 868 views

Question details

The user wants to permanently remove Microsoft Office 2013 and prevent it from automatically reinstalling itself after system updates.

Product
Microsoft Office
Device & OS
Windows
Scenario
The user upgraded from Office 2013 to Microsoft 365, but the older version keeps returning following Windows updates.
Observed behavior
Office 2013 is restoring itself automatically via background updates or organization policies, creating conflicts with the new Microsoft 365 installation.
Before you start

Verify that you have your Microsoft 365 account credentials readily available, as you will need to log back in after performing a clean removal of all Office products.

Solution 1Recommended

Use the Microsoft Support and Recovery Assistant to Remove Remnants

Running the official uninstall tool ensures that all hidden registry keys and leftover installer files from Office 2013 are completely eradicated.

A standard uninstallation via the Control Panel often leaves behind configuration files or Windows Installer cache items. When Windows runs an update, it detects these remnants and incorrectly assumes Office 2013 needs to be 'repaired' or reinstalled.

1
Download the Uninstall Tool

Navigate to the official Microsoft Support website and download the Microsoft Support and Recovery Assistant (often referred to as the Office uninstall tool).

2
Run Option 2 for Complete Removal

Launch the downloaded tool and select the option to completely remove all versions of Office (Option 2). Ensure you select both Office 2013 and Microsoft 365 to clear all conflicting data.

3
Restart Your Computer

Once the tool finishes processing, reboot your PC to finalize the removal of any locked registry keys and temporary files.

4
Reinstall Microsoft 365

Log into your Microsoft account online, download the latest Microsoft 365 installer, and perform a fresh installation.

Use the Microsoft Support and Recovery Assistant to Remove Remnants
Clean Installation: Performing a clean install resolves the vast majority of version conflict issues and prevents older versions from ghost-installing.
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  1. 1. Download WPS Office: Visit the official WPS website and download the free, lightweight installer.
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Frequently Asked Questions

Why does an uninstalled version of Office 2013 keep coming back?

This usually happens because Windows Installer detects leftover registry keys or cached installer files from Office 2013 during routine Windows updates. It assumes the software is damaged and automatically 'repairs' it by reinstalling it. It can also be caused by an active IT deployment policy on managed computers.

Can I have Office 2013 and Microsoft 365 installed at the same time?

While it is technically possible in some scenarios, it is highly discouraged. Running both versions often leads to severe file association conflicts, licensing errors, and overall system instability.

What if the Microsoft uninstall tool doesn't remove Office 2013 completely?

If the automated tool fails, you may need to perform a manual uninstallation. This involves deleting the Microsoft Office folders located in 'Program Files' and manually removing specific Office registry keys using the Windows Registry Editor. Since modifying the registry is risky, always back it up before proceeding.