Preference file that stores color settings used by Photoshop to provide accurate previews of how images will look when they are printed; can be loaded by selecting View → Proof Setup → Custom... in Photoshop.
In Windows, PSF files are stored in the following directory: ~\Application Data\Adobe\Color\Proofing.
In Mac OS X, they are stored in the following folder: ~/Library/Application Support/Adobe/Color/Proofing.
Bitmap image format used by PhotoStudio, an image-editing program; supports text, shapes, and multiple layers; commonly used for saving edited digital photos.
ArcSoft PhotoStudio for Canon is commonly included with Canon digital cameras.
NOTE: PSF files can also be opened by ArcSoft PhotoImpression, which has been discontinued. They may be opened with Adobe Photoshop by changing the extension from ".psf" to ".jpg". However, other image-editing programs may still not be able to open the file.
Support file used by GPS software; contains the root mean square (RMS) values of ephemeris components, which define the positions of celestial objects; also includes the clock time for each tracked satellite over the past seven days.
Prediction support files are used to determine how individual satellites are performing. They can also be used to calculate statistical estimates of long term GPS accuracy.
Font information file used by AutoCAD, a CAD engineering design and documentation application; stores font substitution information used when exporting a drawing to a PostScript file; allows users to customize font styles in printed or published drawings.
The default PostScript pattern file for AutoCAD has the filename acad.psf. AutoCAD LT's PSF file has the name aclt.psf.
Sound file saved in the Portable Sound Format (PSF); designed to bring earlier gaming sound formats to next-generation consoles; uses the music driver code from the original game, which allows the sound to be authentically reproduced.
PSF includes the following sub-formats:
PSF1 - Playstation
PSF2 - Playstation 2
SSF - Saturn (under development)
DSF - Dreamcast (under development)
USF - Nintendo 64 (developed by Adam Gashlin)
GSF - GameBoy Advance (developed by Caitsith2 and Zoopd)
QSF - Capcom QSound
PSF files can be played back on a PC using common audio programs with supporting plugins.
Parameter ID (PID) script used by OBD-II scanner software; allows the software to retrieve error codes and status information from an automobile's OBD (On-Board Diagnostic) device; can be imported with the PMSCAN diagnostic tool.
Output file generated by SPI Proxy, a proxy server tool included with SPI Dynamics SPI ToolKit; records and logs details of traffic passing through the proxy server; saved in a proprietary format readable only by SPI software.
SPI Dynamics was acquired by HP on August 1, 2007.