Tip: You can also check the Settings box, and set video codec, video size, Bitrate, frame rate to get a decent video you want on your QuickTime player. If you have any problems with how to fix QuickTime in OS X 10.11, let us know in the comments below. Click Common Video MOV QuickTime (.MOV) to get the optimized output file for MKV to QuickTime conversion on Mac El Capitan and macOS High Sierra. Some plugins are increasingly disabled by default in Google Chrome due to security issues although it’s hard to imagine that Apple would deem their own QuickTime plugin a security threat! Restart Safari and QT files will display again in El Capitan.Įxactly why Apple decided to disable it’s own media plugin QuickTime in Safari isn’t clear but it’s probably an indication that Apple plans to drop support for QuickTime completely in future versions of OS X as video streaming moves increasingly towards HTML5. Once done, make sure that no copy of it remains in the Disabled Plug-Ins folder and if it does, just delete it. You must then remove the file QuickTime ugin from the Disabled Plugins folder and move it one folder up into the Internet Plugins folder. Go to your user Library folder by going to Macintosh HD/Internet Plugins/Disabled Plug-Ins. El Capitan QuickTime Plugin Not Working Fix It seems the problem here is that for some reason, El Capitain disabled QuickTime by default in OS X and you have to manually reactivate it again.