この拡張子はコレでひらけ！！

>>501
ここらへん入れてみれば

---映像codec---
DivX 3.11
http://www.divx-digest.com/software/divxcodec.html
DivX4Win40a50
http://www.projectmayo.com/projects/detail.php?projectId=2
XviD
http://nic.dnsalias.com/
vp3
http://kyoto.cool.ne.jp/vp3/
RMP4
http://www.sigmadesigns.com/products/RMP4_download.htm
Intel i263
http://members.aol.com/SlavTrainr/STsPage.html
APmpg 4 v.1
http://www.divxprogs.host.sk/kodeki.html
Motion JPEG 再生ドライバ
http://www.canopus.co.jp/download/mjpegplayback.htm
ASUS
http://www.moviecodec.com/codecdownload/asv.shtml
Huffyuv
http://math.berkeley.edu/~benrg/huffyuv.html
ＬＣＬ
http://www.geocities.co.jp/Playtown-Denei/2837/LRC.htm