Answer
This article provides step-by-step instructions to troubleshoot and resolve the issue where the "Merge PDF" or "Combine PDF" option is missing from the right-click context menu in File Explorer when using Foxit PDF Editor.
Possible Causes
1. Misconfigured or missing registry keys.
2. License key expiration, which disables specific features.
3. The required DLL file ('ConvertToPDFShellExtension_x64.dll') is missing or not registered correctly.
4. Issues with Foxit PDF Editor installation.
Scenario 1: Both "Convert" and "Combine" Options Are Missing
1. Check Registry Keys
- Open the Registry Editor (Press Win + R, type regedit, and press Enter).
- Navigate to the following paths:
- 'HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\Foxit_ConvertToPDF'
- 'HKEY_LOCAL_MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\Foxit_ConvertToPDF'
2. Verify or Correct the Registry Values
- For each key, ensure the value is set to:
'{C5269811-4A29-4818-A4BB-111F9FC63A5F}'
- If the value is missing or incorrect:
- Right-click the key, select Modify, enter '{C5269811-4A29-4818-A4BB-111F9FC63A5F}', and click OK.
3. Restart Windows Explorer
- Press 'Ctrl + Shift + Esc' to open Task Manager.
- Find Windows Explorer under the Processes tab, right-click it, and select Restart.
4. Test whether the right-click options reappear.
Scenario 2: "Combine" Option Is Missing, but "Convert" Exists
1. Verify License Key
- Check if the license key has expired. If the key is no longer valid, the "Combine PDF" function will be disabled. Contact Foxit Support or your account administrator for assistance with renewing the license.
2. Check for Missing DLL File
- Navigate to the following folder:
'C:\Program Files (x86)\Foxit Software\Foxit PDF Editor\plugins'
- Verify the presence of the file 'ConvertToPDFShellExtension_x64.dll'.
3. Re-register the DLL File
- If the DLL file exists but the "Combine PDF" option is missing:
- Open Command Prompt as Administrator:
- Press Win + S, type cmd, right-click Command Prompt, and select Run as Administrator.
- Enter the following command and press Enter:
<
regsvr32 "C:\Program Files (x86)\Foxit Software\Foxit PDF Editor\plugins\ConvertToPDFShellExtension_x64.dll">
>
- You should see a confirmation message that the DLL was registered successfully.
4. Restart Windows Explorer
- Follow the steps mentioned in Scenario 1, Step 3.
Additional Troubleshooting Tips
- If the issue persists, try repairing the Foxit PDF Editor installation via the Control Panel:
1. Go to Control Panel > Programs > Programs and Features.
2. Locate Foxit PDF Editor, right-click it, and select Repair.
- If repairing the installation does not resolve the issue, perform a clean uninstallation and reinstallation:
1. Uninstall Foxit PDF Editor via the Control Panel.
2. Remove all residual files and folders related to Foxit in the following locations:
- `C:\Program Files (x86)\Foxit Software`
- `%AppData%\Foxit Software`
- Delete registry keys HKEY_CURRENT_USER\SOFTWARE\Foxit Software, HKEY_LOCAL_MACHINE\SOFTWARE\Foxit and HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Foxit Software Software
3. Reinstall Foxit PDF Editor using the latest installer from the official website.
Applies To
- Foxit PDF Editor for Windows (all supported versions).
If the issue is not resolved after following these steps, please get in touch with Foxit Support. Provide detailed information about the problem, including screenshots, the Foxit PDF Editor version, and the steps already performed.