Install VLC Media Player on your Mac
QuickTime is great, but it won’t play an AVI file out of the box or the lesser-known MKV for example. And with the introduction of MacOS Catalina we have had to say goodbye to our beloved QuickTime 7. QuickTime 7 offered the Pro version for a one time payment which basically upgraded the standard QuickTime player adding many useful video editing features and import / export options, I’m still using it to this day! Just not on a Mac running Catalina. If you try to open an .avi file or...