.PRF File Extension

File Type 1

Outlook Profile File

Developer Microsoft
Popularity
3.6  |  42 Votes
Category Settings Files
Format N/A

What is a PRF file?

A PRF file is a user profile referenced by Microsoft Outlook that contains user information and preferences. It includes mail account settings, signatures, references to mail folders, and other settings.

More Information

When Outlook imports a PRF file, the user profile settings are immediately updated. PRF files can also be created using Microsoft's Office Resource Kit. The files can then be deployed to multiple systems using the Custom Installation Wizard (CIW) or other maintenance wizard included with the Office Resource Kit.

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Programs that open or reference PRF files

Updated August 24, 2016
File Type 2

Windows System File

Developer N/A
Popularity
3.5  |  11 Votes
Category System Files
Format N/A

Contains settings and preferences used by the Windows operating system; may also be used by other applications to store program settings; should not be opened manually.

Programs that open or reference PRF files

Windows
Updated March 29, 2007
File Type 3

Director Preferences File

Developer Adobe Systems
Popularity
3.3  |  15 Votes
Category Settings Files
Format N/A

Stores program settings for Adobe Director (formerly Macromedia Director); may also contain settings for Director Xtras, such as Media Lab's PhotoCaster.

More Information

The main Director settings file is named "Director.prf."

Programs that open or reference PRF files

Windows
Macromedia Director
Mac
Macromedia Director
Updated May 20, 2009
File Type 4

PICS Rules File

Developer W3C
Popularity
3.0  |  10 Votes
Category Web Files
Format Text

Web profile created in the Platform for Internet Content Selection (PICS) format; contains filtering rules that allow or block access to certain URLs; used for implementing Internet safety policies, such as parental or teacher controls, which limit access to certain websites for students and children; also used for sharing PICS profiles with others.

More Information

The PICS format was proposed in the mid 1990s, and was adopted by some Web technologies. However, it is not widely used today and has been superseded by the Protocol for Web Description Resources (POWDER).

NOTE: PRF files were supported by some Web browsers and Web servers, such as Internet Explorer and Microsoft IIS.

Programs that open or reference PRF files

Updated July 16, 2010
File Type 5

QuarkXPress Preferences File

Developer Quark Software
Popularity
2.8  |  11 Votes
Category Settings Files
Format N/A

A PRF file may also be an application preferences file created by QuarkXPress, a page layout and publishing application. it contains saved preferences such as workspace settings and import and export options. PRF files can be used for transferring preferences between copies of QuarkXPress.

Programs that open PRF files

Windows
Free Trial
Mac
Free Trial
Updated May 1, 2017
File Type 6

FileNet eForms Form Preferences File

Developer IBM
Popularity
3.0  |  8 Votes
Category Settings Files
Format N/A

Contains user preferences for a form created with FileNet eForms electronic form design software; saved in the user's "Template Preferences" folder for each form accessed.

Programs that open or reference PRF files

Windows
IBM FileNet eForms
Updated November 8, 2008
File Type 7

ClarisWorks Preference File

Developer Apple
Popularity
2.7  |  9 Votes
Category Settings Files
Format N/A

Stores preferences for ClarisWorks, such as toolbar positioning and Welcome screen options; should be named "CLWORKS.PRF" and placed in the CLARIS directory; can be deleted to restore the program's default preferences.

More Information

NOTE: ClarisWorks is a Macintosh productivity suite developed by Apple that was later also made available for Windows computers. It was later replaced by AppleWorks, which was then discontinued.

Programs that open or reference PRF files

Windows
Apple ClarisWorks
Mac
Apple ClarisWorks
Updated August 10, 2014
File Type 8

Plot Station Plot Request File

Developer eQuorum
Popularity
2.6  |  10 Votes
Category Data Files
Format N/A

Form that contains plot requests for eQuorum's Plot Station, a program for managing plotting jobs; saved in an ASCII text format and includes instructions and parameters for generating the plotted output; may be created by Plot Station Client and is processed by Plot Station Server.

Programs that open PRF files

Windows
eQuorum Plot Station
Updated August 20, 2008

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