Fix Acrobat X Combine Files Not Working in Windows 10 Explorer
Question details
The user is unable to merge PDF documents using the right-click context menu in Windows Explorer after upgrading to Windows 10.

- Product
- Adobe Acrobat X
- Device & OS
- Windows 10
- Scenario
- Attempting to merge multiple PDF files directly from the Windows Explorer right-click context menu.
- Observed behavior
- Selecting the 'Combine Files' option opens the Acrobat home screen instead of launching the intended file-combination window.
Verify your current operating system version and note that compatibility issues often arise when running legacy software on modern Windows environments.
Upgrade to a Windows 10 Compatible Version
Adobe Acrobat X is no longer supported and lacks Windows 10 shell compatibility. Upgrading to Acrobat DC or a modern alternative is the official method to restore Explorer integration.
Adobe officially ended support for Acrobat X in November 2015. Due to architecture changes in Windows 10, shell extensions like the right-click 'Combine Files' menu no longer function correctly on this older version.
Open the Control Panel in Windows 10, navigate to 'Programs and Features', select Adobe Acrobat X, and click 'Uninstall'.
Visit the official Adobe website to choose a subscription plan for Adobe Acrobat DC, then download the installer.
Run the installer. Once setup is complete, select multiple PDFs in Windows Explorer, right-click, and the 'Combine Files in Acrobat' option will function properly.

Combine PDF Files Manually Inside the Application
If you cannot upgrade or switch software immediately, you can bypass the broken Windows Explorer shortcut by combining files directly within the Acrobat X interface.
Use WPS Office to Combine PDF Files in Windows 10 Easily
WPS Office offers a built-in, lightweight PDF editor that is fully compatible with Windows 10 and 11. You can effortlessly merge multiple PDF documents into a single file without struggling with legacy software bugs.
- 1. Open WPS Office: Launch the WPS Office application and click on the 'PDF' tab on the main home screen.
- 2. Select Merge PDF: Navigate to the 'PDF Tools' section in the top ribbon and click on the 'Merge PDF' tool.
- 3. Add Your Files: Drag and drop the PDF files you want to combine into the dialog box, or click 'Add Files' to select them from your computer.
- 4. Adjust Order and Merge: Rearrange the sequence of the files if necessary, specify an output name, and click the 'Merge' button to create your single PDF document.

Frequently Asked Questions
Is Adobe Acrobat X fully compatible with Windows 10?
No, Adobe officially ended support for Acrobat X in November 2015. It was not designed for Windows 10, which causes system-level integration features like the Windows Explorer context menu to malfunction.
Can I fix the Acrobat Combine Files right-click menu without paying for an upgrade?
There is no official patch to restore the Windows Explorer integration for Acrobat X on Windows 10. You must either merge the files manually from inside the Acrobat X application, or switch to a free, modern PDF editor like WPS Office.
Are there free alternatives to combine PDF files directly on Windows 10?
Yes, modern productivity suites like WPS Office provide robust, built-in PDF tools that allow you to seamlessly merge, edit, and convert PDF files on Windows 10 without requiring a paid Adobe subscription.




