What is .P3T file extension?
Theme file for a Sony PlayStation 3 video game system; includes background images, buttons, layouts, sound files, and other settings used to customize the interface of the PS3; can be downloaded and installed using the PS3 console's browser application.
P3T files can be transferred to the PS3 using a Memory Stick or USB connection. They should be placed in the :/PS3/THEME directory. If the THEME folder does not exist, you must first create the folder, then transfer the P3T file.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.