Recent answers to Opening the PDFhttps://support.mozilla.org/en-US/questions/13136252020-11-14T11:01:43-08:00Those PDF files are probably send as content-disposition.
Files send this way always give you the do2020-11-14T11:01:43-08:00cor-elhttps://support.mozilla.org/en-US/questions/1313625#answer-1367536<p>Those PDF files are probably send as content-disposition.
Files send this way always give you the download dialog.
</p><p>Maybe this extension helps:
</p>
<ul><li>Content-Type Fixer <a href="https://addons.mozilla.org/firefox/addon/content-type-fixer/" rel="nofollow">https://addons.mozilla.org/firefox/addon/content-type-fixer/</a>
</li></ul>YaYaTurre said
Since checking the box did not seem to work, I think you should try to set it in the 2020-11-14T01:18:48-08:00bsabrunosouzahttps://support.mozilla.org/en-US/questions/1313625#answer-1367420<em><p>YaYaTurre <a href="#answer-1367396" rel="nofollow">said</a></p></em>
<blockquote>Since checking the box did not seem to work, I think you should try to set it in the Preferences Menu.
It is under Preferences--&gt;General. Scroll down to Applications. Under "Content Type" look for PDF and on under "Action" there will be drop down menu with the option to select "Open with Firefox".
</blockquote>
<p>Well, search on Google / Bing, the solution is satisfied. However, I would like to leave the PDF download function enabled for files that belong to SIGAA - System of the Federadl University of Brazil.
</p>Since checking the box did not seem to work, I think you should try to set it in the Preferences Men2020-11-13T23:28:06-08:00YaYaTurrehttps://support.mozilla.org/en-US/questions/1313625#answer-1367396<p>Since checking the box did not seem to work, I think you should try to set it in the Preferences Menu.
</p><p>It is under Preferences--&gt;General. Scroll down to Applications. Under "Content Type" look for PDF and on under "Action" there will be drop down menu with the option to select "Open with Firefox".
</p>