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Windows Media Player Firefox Plugin Download - Essential plugin for firefox users, open Microsoft formats directly in Firefox
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Using the HTML5 video player for serving .ogv files in Firefox and Safari, and .mp4 files in Internet Explorer
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Firefox 49 error "This browser does not support video playback" playing mp4 videos in Twitter in Win 8.1 with Flash Player 23.0.0.162 | Firefox Support Forum | Mozilla brukerstøtte
![Banged my head many times trying to figure out why opening .PDF on my harddrive with firefox would open another download dialog, and not the PDF.js viewer. Then I noticed this. [win7][firefox30/31]. Banged my head many times trying to figure out why opening .PDF on my harddrive with firefox would open another download dialog, and not the PDF.js viewer. Then I noticed this. [win7][firefox30/31].](https://external-preview.redd.it/nrklp_ieh4TUIckhTGyvKA2rCgvH22tUcboogNSiPo0.png?auto=webp&s=d27e37899eb574b26e3041909c607d6482289b7d)