The Animation codec is a QuickTime codec. When you're choosing a format in the
output module, choose QuickTime Movie. Then, click the Format Options button in the Output Module Settings dialog box and choose Animation from the Compression Type menu in the QuickTime dialog box that opens.
That said, I prefer the PNG codec for some purposes in my QuickTime movies. They're both lossless, but the PNG codec does a better job of compressing live-action video. The Animation codec is better at compressing large expanses of flat color (like cartoons).
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Todd Kopriva, Adobe Systems Incorporated
putting the 'T' back in 'RTFM' :
After Effects Help on the Web
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