Animation Codec unsupported by Quicktime (10.5) and After Effects

Hello everyone,

My workplace has just converted from PC to Mac - one of the major issues we've found is that the pre-installed version of Quicktime (10.5) on our Mac does not support anything rendered with the Animation codec, this includes all of the .mov and .avi video files that I need as part of my templates. As a result, After Effects also gives me the "file type unsupported" error message whenever I try to link the footage.

I'm wondering what the best solution to this problem is?

Is there a way to install the Animation codec into Quicktime?

Or would it be better to convert my files to a different file type/codec and export them as such from now on?

For context, the videos have 2D motion graphics with a transparent background (so I can overlay them onto other footage), hence the need for the Animation codec.