Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Avatar for Username

Search Support

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

Èròjà atẹ̀lélànà yii ni a ti fi pamọ́ fọ́jọ́ pípẹ́. Jọ̀wọ́ béèrè ìbéèrè titun bí o bá nílò ìrànwọ́.

I can no longer open PDF files with Thunderbird. The attachments are showing up as winmail.dat. This was not a problem until a Thunderbird update.

  • 1 èsì
  • 2 ní àwọn ìṣòro yìí
  • 7 views
  • Èsì tí ó kẹ́hìn lọ́wọ́ user01229325

Statco
Statco
more options

I can no longer open PDF files with Thunderbird. The attachments are showing up as winmail.dat. This was not a problem until I was prompted to do a Thunderbird update.

I can no longer open PDF files with Thunderbird. The attachments are showing up as winmail.dat. This was not a problem until I was prompted to do a Thunderbird update.

All Replies (1)

user01229325
user01229325
more options

https://support.microsoft.com/en-us/kb/278061