Follow these steps to troubleshoot issues with email attachments:

1. Check the email account settings and make sure that Outlook is configured properly.


2. Make sure Outlook is properly connected to the Exchange server.


3. Verify the recipient’s address is correct.


4. Confirm that the attachment is not blocked by the Exchange server.


5. Verify the attachment is not corrupted.


6. Reboot the Calendar, Email, and Messaging Store.


7. Verify the file type extension.