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Clicking on PDF files on the internet does not download with file extension

mg1990

When I click on a PDF link it downloads the file but does not save it as a ".pdf" file extension. When using the "save as" function in mozilla the ".pdf" file extension is included.

When I click on a PDF link it downloads the file but does not save it as a ".pdf" file extension. When using the "save as" function in mozilla the ".pdf" file extension is included.

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Current Firefox versions have enabled a built-in PDF Viewer that doesn't have all features that other PDF readers like the Adobe Reader have or may not function properly otherwise.

You can change the action for Portable Document Format (PDF) from Preview in Firefox to use another application like the Adobe Reader or set to Always Ask in "Firefox > Options/Preferences > Applications".

You can set the pdfjs.disabled pref to true on the about:config page to disable the build-in PDF viewer.

You can check the value of the plugin.disable_full_page_plugin_for_types pref on the about:config page and remove the application/pdf part if present or reset the pref to the default via the right-click context menu.

See also:

Thanks for replying guys, I've tried the suggestions above but still having this issue.