3GP format information

The 3rd Generation Partnership Project (3GPP) is a collaboration agreement that was established in December 1998. The 3GPP and 3GPP2 specifications call out specific types of media that can exist in .3gp and .3g2 files.
3GP is a third generation video standard integrating: mp3, mp4, 3gpp, 3g3p and 3g2. 3GP content is specifically sized for mobile display screens and 3G mobile phones.
3PG files are viewable on your PC using Quicktime or Realplayer.

Software for converting other media formats to 3PG format include:
Axara 3GP converter - AVI and MPEG to 3PG.
Axara 3GP cell phone converter - AVI and WMV to 3PG.