Where did Channels go (RBG+Alpha)?

Question

There used to be a Channels selection in ME that had things like (RGB, RGB+Alpha, etc.). I can't find it (v24.5). I've tried to use AVI, Quicktime, and a few others, but no option appears for the channels. I do see a check box for 'alpha only', but that is not what I want.

I've recently discovered I can choose a preset that states 'plus alpha'. I ended up using Quicktime and a profile with alpha. Oddly, I couldn't find it for AVI, and that is what I've used in the past.

Note that even when I choose the profile with alpha, I still don't see a specific setting that is tied to this. I'm still curious if I am missing something obvious, as removing the Channels option seems odd.

David Arbor · Accepted Answer

Are you maybe thinking of the options in After Effects? At this point, I wouldn't use AVI for anything anymore, ProRes 4444 with Alpha is going to be a much better, more modern, and cross-platform option. As you mentioned, it sounds like you found the option to choose ProRes 4444 with Alpha, which gives you the depth options of "8/16-bpc + alpha," but the "RGB + Alpha terminology is used in AE (see attached screenshot).

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