This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Mozilla Support में खोजें

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

can not open winmail.dat PDF file attachments

  • 5 प्रत्युत्तर
  • 5
  • 17 views
  • के द्वारा अंतिम प्रतियुतर Matt

more options

clients send pdf attachments usually electrical drawings for bid and a winmail.dat pdf file shows in attachment. I click on and error message says can not open this type file. I have adobe reader Why?

clients send pdf attachments usually electrical drawings for bid and a winmail.dat pdf file shows in attachment. I click on and error message says can not open this type file. I have adobe reader Why?

All Replies (5)

more options
more options

I installed add on and still cant open winmail.dat PDF file

more options

The attachments should look like this in the attachment pane:

more options

If you can't open the attachment, have your client/ customer or whatever fix their defective copy of Outlook and send real mail attachments not TNEF encoded rubbish. They are spewing defective email every time they click send on a mail with an attachment.

See https://support.mozilla.org/en-US/kb/what-winmaildat-attachment