.PSAR File Extension
File TypePSP Update File
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is a PSAR file?
Data file used to update the Sony PlayStation Portable (PSP); sometimes used for installing custom firmware updates on the PSP; can only be accessed by unpacking the EBOOT.PBP file (see the .PBP entry for more information); typically named "DATA.PSAR."