Fix Windows Cannot Find an Email Program for Send to Mail Recipient
Question details
The user is trying to send a file via email using the File Explorer context menu but receives an error stating no email program is associated, despite having the Windows Mail app installed.

- Product
- Windows File Explorer
- Device & OS
- Windows 10
- Scenario
- Right-clicking a file in Windows File Explorer and selecting 'Send to > Mail recipient' to quickly attach the document to an email.
- Observed behavior
- Windows displays an error message: 'Windows cannot find an email program associated to perform the requested action' because the installed Windows Mail app does not support this legacy integration.
Verify whether you have Microsoft Outlook installed on your computer, as the traditional 'Send to Mail Recipient' feature relies on legacy MAPI integration that modern apps like Windows Mail do not natively support.
Use the Windows Share Feature
Since the modern Windows Mail app does not register the legacy registry keys required by the 'Send to' menu, using the native 'Share' option in File Explorer is the best alternative to send files.
The traditional 'Send to > Mail recipient' command was designed for older desktop email clients like Microsoft Outlook. Microsoft's built-in Windows 10 Mail app is a modern UWP application that does not support the required MAPI (Messaging Application Programming Interface) integration. Using the modern 'Share' interface bypasses this limitation.
Open Windows File Explorer and locate the document or workbook you want to send.
Click once on the file to highlight it, then click on the 'Share' tab located at the top ribbon of the File Explorer window.
In the Share ribbon, click the large 'Share' icon (a square with a curving right arrow).
A modern Windows share dialog will appear. Click on the 'Mail' app icon. This will successfully open a new email draft in the Windows Mail app with your file already attached.

Set Microsoft Outlook as the Default Email App
If you actually have Microsoft Outlook installed but are still receiving this error, Windows may be defaulting to the wrong application.
Email Your Documents Directly from WPS Office
Bypass Windows File Explorer errors entirely by sharing your documents, spreadsheets, and presentations straight from the WPS Office interface. It offers a seamless way to send files without relying on legacy Windows features.
- 1. Open your file in WPS Office: Launch WPS Office and open the document, spreadsheet, or presentation you want to send.
- 2. Click the Menu button: Navigate to the top-left corner of the screen and click on 'Menu'.
- 3. Navigate to Share: Hover over or click on the 'Share' option in the dropdown list.
- 4. Select Email: Click on 'Email'. WPS Office will automatically bridge with your default mail client to create a new message with the file securely attached.

Frequently Asked Questions
Why doesn't the Windows Mail app work with 'Send to Mail recipient'?
The 'Send to > Mail recipient' shortcut relies on legacy MAPI (Messaging Application Programming Interface) integration. The built-in Windows Mail app is a modern Universal Windows Platform (UWP) app and does not include the necessary MAPI registry keys to support this classic feature.
Can I manually add registry keys to fix this error for Windows Mail?
No, there is currently no supported registry configuration or workaround that can force the modern Windows 10/11 Mail app to register as a classic MAPI client. You must use the modern 'Share' feature instead.
How do I send an Excel or WPS workbook via email if I don't have Outlook?
You have two easy options: use the native 'Share' button located in the File Explorer ribbon to select your Mail app, or simply open your preferred webmail (like Gmail or Outlook.com) in your browser and manually drag-and-drop the workbook to attach it.




