Extensions: P

Extension Description Author File / Link
ppd PostScript Printer Description File Format Specification Version 4.3 (Acrobat) Adobe Download
ppm Portable Pixelmap format Jef Pozkanzer Deprecated resource Download
ppp Point to Point Protocol Link
ppt Microsoft Powerpoint 97 Format Microsoft Corp. Download
pptx ZIP-packaged XML presentation format (Microsoft PowerPoint / ECMA-376 / ISO 29500) Microsoft / ECMA / ISO Link
pqa Palm File Format Specification (PQA,PRC,PDB) Palm Computing Inc. Deprecated resource Download
prc Palm Pilot executable files Theodore Ts'o Link
prn-ext Windows PRN Print Files Download
promizer Promizer v0.1/v1.0c/v1.8a/v2.0/v4.0 formats (formely known as Avalon packer) Asle / ReDoX Deprecated resource Download
propacker ProPacker v1.0/v2.1/v3.0 formats Asle / ReDoX Deprecated resource Download
prorunner ProRunner v1/v2 formats Asle / ReDoX Deprecated resource Download
ps PostScript Language File Transmission (PSFT) Specification Version 1.0 (Acrobat) Adobe Download
PostScript Language Reference, Third Edition (Acrobat: 7.4 MB / 912 pages) Adobe Deprecated resource Link
ps16 Protracker Studio 16 Format Deprecated resource Download
psd Adobe Photoshop 2.5 File Format Thomas Knoll Deprecated resource Download
Adobe Photoshop 3 and 4 File Formats Adobe Deprecated resource Download
Adobe Photoshop 3 Plug-in format Adobe Deprecated resource Download
Adobe Photoshop 6.0 File Formats Adobe Deprecated resource Download
Adobe Photoshop SDKs Adobe Deprecated resource Link
psf The Palette Storage Format (PSF) (Incomplete) Randy Mcdowell Deprecated resource Download
psid Sidtune file formats (Word) Deprecated resource Download
psm Protracker Studio Module Format Deprecated resource Download
psp Paint Shop Pro File Format Specification version 3 Jasc Software Deprecated resource Download
Paint Shop Pro File Format Specification version 5 Jasc Software Deprecated resource Download
Paint Shop Pro File Format Specification version 8 Jasc Software Deprecated resource Download
pst Microsoft Outlook personal folders file for mail, calendar, and contact data (see also .ost) Microsoft Link
ptm Polytracker Module Format v1.17 JAL/Nostalgia Deprecated resource Download
pwp Smith Corona Personal Word Processors PWP format Download
pyc Cached bytecode for a Python module, generated by the interpreter Python Software Foundation Link