Join the Mozilla’s Test Days event from 9–15 Jan to test the new Firefox address bar on Firefox Beta 135 and get a chance to win Mozilla swag vouchers! 🎁

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.

Attachments in latest version of Thunderbird (91.2.0)

  • 1 èsì
  • 1 ní ìṣòro yìí
  • 1 view
  • Èsì tí ó kẹ́hìn lọ́wọ́ sfhowes

more options

Whenever I click on a PDF attachment that is in an email, the pdf opens in a tab instead of my default viewer. How do I go back to using the default viewer?

Whenever I click on a PDF attachment that is in an email, the pdf opens in a tab instead of my default viewer. How do I go back to using the default viewer?

All Replies (1)

more options

Preferences/General/Files & Attachments, click the Action drop-down and choose the default or any other app (see picture).