Apple’s QuickTime is a 30-year-old technology but is still supported by Apple. Here’s how to use the QuickTime Player included with macOS.
Before the internet, and long before streaming, there was QuickTime. Released by Apple in 1992, it was a revolutionary technology at the time that provided timed recording and playback of audio-visual data. QuickTime (or “.mov”) files were used to transport videos across computers.
The early QuickTime player was rudimentary – black and white controls, tiny playback windows, and limited color depth. AV compression was provided by plug-in QuickTime components. Each codec has an identifying 4-character code, and the original Apple QuickTime codec had (and still has) a code of ‘.mov’.
Read more at AppleInsider.com

