Recent Posts

Mac Users Getting WinMail.dat Files instead of a PDF? Here’s the Fix.

apple.questionmarkA client using Office 365 recently contacted us with a problem that’s likely happened to you: you send a PDF attachment to a Mac user and they complain that the attachment is a WinMail.dat file they cannot view. Sound familiar? Here’s the fix:

  1. Make sure the person you’re emailing is an existing contact in Office 365.
  2. Use Powershell and run the following command:
  3. Set-MailContact -UseMapiRichTextFormat Never
  4. Send a test attachment to your contact.
  5. The solution worked perfectly for our client. We hope it helps you out, too.

Get expert guidance from your trusted advisor

Contact us today to discuss how we can unleash the power of technology for your business