This may help. It will convert the file to an avi format and Windows Media Player should be able to open it.
http://www.mitsoftware.com/akiles/#Program%20:%203GP%20to%20AVI%202
Jeff
I sent a video from my LG phone to my computer, and it came in a .3g2 format, is there a way to convert it to something that windows media player can open? Only quicktime opens this.

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