How to Remove Office 2013 End-of-Support Warning from Windows
Question details
The user needs to remove a persistent Office 2013 end-of-support warning in Windows Settings that continues to appear even after upgrading to Microsoft 365.
- Product
- Microsoft Office 2013 / Microsoft 365
- Device & OS
- Windows
- Scenario
- Using a newer version of Microsoft Office, but the system still displays upgrade warnings and purchase history for an older, uninstalled version.
- Observed behavior
- Windows Settings displays an end-of-support warning for Office 2013, and Office Professional 2013 remains listed under purchased products despite being uninstalled for years.
Create a System Restore point and securely back up your Windows Registry before proceeding, as incorrect modifications can cause serious problems to your operating system.
Clear Office Credentials and Remove Registry Remnants
Remove leftover cached credentials and old registry entries that are triggering the false end-of-support warning.
Even after uninstalling Office 2013, Windows may retain old credentials or registry keys that cause the system to believe the outdated software is still active. Clearing these remnants usually resolves the persistent warning message.
Open the Control Panel, navigate to 'Credential Manager', and click on 'Windows Credentials'. Locate and remove any saved credentials associated with Microsoft Office or Office 2013.
Press the Windows key + R, type 'regedit' into the Run dialog, and press Enter to launch the Registry Editor.
Carefully navigate to the Microsoft Office registry paths (such as HKEY_CURRENT_USER\Software\Microsoft\Office\15.0) and delete the keys related to the old Office 2013 installation. If you are uncertain about which keys to delete, contact Microsoft Support for guidance.
Close the Registry Editor and restart your PC. Check Windows Settings to confirm the end-of-support warning has been removed.
Avoid Complex Registry Fixes with WPS Office
Tired of dealing with lingering update warnings, complex registry remnants, and licensing headaches? WPS Office offers a free, lightweight, and powerful alternative that gives you everything you need without the system clutter.
- 1. Download the installer: Visit the official WPS Office website and download the free installation file.
- 2. Install quickly: Run the installer for a fast, lightweight setup that won't bloat your system registry.
- 3. Open your files: Instantly open, edit, and save your existing Microsoft Office documents without any compatibility warnings.

Frequently Asked Questions
Why does Windows show an Office 2013 warning when I have Microsoft 365?
This usually happens because leftover registry keys or cached credentials from your previous Office 2013 installation are still present on your computer, causing Windows Settings to incorrectly detect the old version.
Can I delete old Office purchases from my Microsoft account?
No, previous software purchases like Office Professional 2013 are permanently linked to your Microsoft account's purchase history and cannot be removed by changing local system settings.
Is it safe to delete leftover Office registry keys?
While deleting leftover keys can fix warning issues, modifying the registry is risky. Always back up the registry before making any changes. If you delete the wrong keys, it could damage your operating system or your current Microsoft 365 installation.




