why is my file size so big when i make a movie in after effects?

Published February 28, 2012 | By Bman

Question by Asher: why is my file size so big when i make a movie in after effects?
a ten second composition thats 460*860 is coming out to be a 330 mb file even after i render it. does anyone know why? thanks!

Best answer:

Answer by peekay
because it’s uncompressed.

video files by their very nature are huge in their raw size, you will need to compress it with a codec such as xvid to bring it down to a more reasonable size – a two hour (or longer) movie can fit in 700mb if you compress it. without, it would be MANY gigs – even larger than a standard blank dvd.

this site tells you how to compress a video file with xvid using the free ‘virtualdub’ video editing software:
http://www.doom9.org/xvid-vdub-final.htm

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Posted in Making Movies | Tagged after, Effects, File, Movie, size