Send to Mail Recipient not working in Windows 10 [TROUBLESHOOT]

Tashreef Shareef
by Tashreef Shareef
Windows & Software Expert
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The Send to Mail Recipient is used to add attachments to your email directly from the contextual menu. However, after the Creator update,users have reported that this feature is not working anymore in File Explorer.

Is Send to Email recipient in Windows 10 missing? Firstly, try repairing the Microsoft Office. Outlook, as the vital part of the suite, might be the problem. Furthermore, try setting it Microsoft Outlook as your default email client. In addition, try deleting the DLL file that configures Outlook‘s integration.


Find the detailed explanation of each step below.

How do I enable email recipient in Windows 10?

  1. Repair Microsoft Office
  2. Set Microsoft Outlook as the Default Mail Client
  3. Delete MSMAPI32.DLL
  4. Reinstall Microsoft Office
  5. Other Solutions to try

1. Repair Microsoft Office

Microsoft Office comes with a built-in option to perform a quick repair of the program files in case something goes wrong with the app. Try the repair option before proceeding with other solutions. Here is how to do it.

  1. Press Windows Key + R to open Run.
  2. Type Control and hit enter to open the Control Panel.
  3. Go to Programs > Programs and Features.
  4. Select  Microsoft Office from the installed programs.
    Windows 10 - Programs and Features - Uninstall- Office
  5. Click on the Change button (beside the Uninstall option).
    Microsoft Office Repair Option
  6. The Office Repair Interface will show two repair options.
    Quick Repair – Select this option first. It fixes the most issue quickly without the need for an internet connection.
    Online Repair – If the Quick Repair option did not work, try Online Repair. It fixes all issues, but takes a little longer and requires an internet connection to work.
  7. Select the Repair option and click on Repair to proceed.
  8. The Office Repair tool will look for the problems and fix them automatically.

2. Set Microsoft Outlook as the Default Mail Client

Windows by default set the Mail app as the default Mail client. If you are using Outlook, you may encounter File Explorer error if the Outlook client is not as the default mail client on your computer. Here is how to do it.

  1. Click on Start and select Settings.
  2. Click on Apps.
  3. Click on Default Apps.
    Windows 10 - Default Apps - Mail Client
  4. In the right-pane, click on Mail client and select Outlook from the options.
  5. Close the Settings and also close the Outlook app if running.

3. Delete MSMAPI32.DLL

The next step is to delete the MSMAPI.32.DLL files from the installation drive. This file is associated with the Microsoft Outlook client. After deleting the file, Outlook will recreate a new file in the same location. Here is how to do it.

  1. Open “File Explorer”.
    Delete MSMAPI32 _dll delete
  2. Navigate to the following location in your c: drive based on your Windows edition.
    For 32-bit >> C: -> Program Files (x86) -> Common Files -> system -> MSMAPI -> 1033

    For 64-bit >> C: -> Program Files -> Common Files -> system -> MSMAPI -> 1033
  3. If you can’t find the MSMAPI file in the above location, navigate to this location:
    : -> Program Files (x86) -> Microsoft Office- > root – > vfs -> ProgramFilesCommonX86 -> SYSTEM -> MSMAPI -> 1033
  4. Inside the folder, locate Msmapi32.dll. Right-click on Msmapi32.dll and select Delete.
  5. Close the File Explorer.
  6. In the Cortana/search bar, type fixmapi.exe.
  7. Select “Run Fixmapi.exe”.
    Fixmapi_exe Run command
  8. Relaunch Outlook. Outlook will recreate the msmapi32.dll file and launch.

Try to send an attachment from Send to > Mail Recipient again and check if the error is resolved. If the issue persists, try restarting your system and check back for any improvements.

4. Reinstall Microsoft Office

You can also fix this issue by reinstalling the Microsoft Office. Uninstalling the Microsoft Office app will remove any corrupted files in the system and fix the issue after a fresh install.

To uninstall Microsoft Office, do the following.

  1. Press Windows Key + R, type control and hit enter to open Control Panel.
  2. Click on Programs > Programs and Features.
    Windows 10 - Programs and Features - Uninstall- Office
  3. Select your  Microsoft Office version and click on Uninstall.
  4. The office will ask you to confirm the process, click on Uninstall to remove the program.
  5. Now you need to download and install a fresh copy of the Microsoft Office, and that should resolve the error.

5. Other Solutions to try

Create a new user account and login to it. Check if the Send to > Mail Recipient feature is working. Also, you can try restoring your system to a previous restore point.

If you have multiple languages for Office installed, change the display language in Outlook to your second language and check if that resolves the error.


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