What Is a PSP File?
A file with the PSPfile extensionis most likely a PaintShop Pro image file.
Some PSP files may instead be preference files that store controls for Photoshop.

For example, there’s aBrushes.psp, Patterns.psp,andStyles.pspfile to store tweaks specific to those functions.
PL/SQL server page files that access database information through SQL commands aretext filesthat also use this file extension.
Another use for the PSP file extension is as a Pixel Studio project file.
Other photo and graphics tools probably work as well.
Versions of PaintShop Pro newer than PSP 8 have files that end in .PSPIMAGE instead.
PSP files used byPhotoshopandPhotoshop Elementsfor storing preferences probably don’t ever need to be opened manually.
Thisfree online PSP to JPG converteris another option.
PL/SQL server page files can be saved to any other text-based format using a text editor.
Some programs let you rip or copy a PSP (PlayStation Portable) game to anISOfile.
If you gotta convert that ISO file to aCSOfile, useFormat Factory.
Still Can’t Open It?
Another example is a PPP document file created by Serif PagePlus.
P2P is another lookalike.
You might see “P2P files” talked about in relation topeer-to-peerfile sharing.
FAQ
Use the Adobe Photoshop app for iOS or Android.
If you don’t have a Photoshop subscription, convert the file to an image format like JPG.
If you want to play a PSP game on an emulator, you need an ISO file.