.PPJ File Extension
File TypePremiere 6 Project File
What is a PPJ file?
Video project created by Adobe Premiere 6, a video editing application; stores video clips, transitions, and effects; used for saving editing projects; created by the Windows version of Premiere only.
Adobe Premiere Pro projects now use the .PRPROJ extension. Premiere Pro CS5 can still import PPJ project files and convert them into the PRPROJ format.