Your old videos may not play in macOS Catalina. Here’s why

? Apple moved on from some 32-bit formats
A MacBook running macOS Catalina.
Apple

Note: When you purchase something after clicking links in our articles, we may earn a small commission. Read our affiliate link policy for more details.

    Related:
  • MacOS
  • Video
  • Mac
Glenn Fleishman’s most recent books include Take Control of iOS & iPadOS Privacy and Security, Second Edition (covering iOS 15/iPadOS 15), Take Control of Your M-Series Mac, and Take Control of Securing Your Mac. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.