All File Signatures & Extensions
Search by extension, format name, or MIME type to jump straight to a canonical signature page with validation code and source attribution.
PRT
application/x-prt
Primary Hex
30 4D 33 43
PRX
N/A
Primary Hex
7F 45 4C 46
PostScript file
application/postscript
Primary Hex
25 21
PSAFE3
N/A
Primary Hex
50 57 53 33
Photoshop image file
image/vnd.adobe.photoshop
Primary Hex
38 42 50 53
PSF1
audio/x-psf
Primary Hex
50 53 46
PSFLIB
audio/x-psf
Primary Hex
50 53 46
Corel Paint Shop Pro image file
N/A
Primary Hex
7E 42 4B 00
Microsoft OutlookPersonal Folder File
application/vnd.ms-outlook-pst
Primary Hex
21 42 44 4E