| File Extension: | PFK |
| File Type Description: | XTree Programmable Function Keys |
| File Type Developer: | Jeffrey C. Johnson |
| Primary Associated Software: | XTree |
| Primary Software Developer: | Jeffrey C. Johnson |
Optional Offer for FileViewPro by Solvusoft | EULA | Privacy Policy | Terms | Uninstall
Jeffrey C. Johnson developed the PFK file extension, also know as a XTree Programmable Function Keys file, for the XTree software package. Our internal web tracking data indicates that Windows 10 operating system users, and those living in China, are the most likely to use XTree Programmable Function Keys files. Google Chrome is their primary internet browser for the bulk of these users.
 | XTree by Jeffrey C. Johnson |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | DOS |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .X50 | Jeffrey C. Johnson | Data Files | XTreeGold Help Data |
| .CMB | Jeffrey C. Johnson | Settings Files | Xtree For Windows Button Bar |
| .XCL | Jeffrey C. Johnson | Developer Files | XTree For Windows Script |
| .XTP | adnx | Data Files | xTime Project Document |
| .VUE | E-on Software, Inc. | 3D Image Files | Vue Scene File |
| .PZP | Application Techniques Inc. | Settings Files | Pizazz Plus Palette Settings File |
| .UVOPTX | Keil | Settings Files | µVision Configuration |
| .WWP | Microsoft Corporation | Settings Files | Microsoft Works Wizards File |
| .OPT | LexisNexis | Database Files | Concordance Database File |
| .ULF | MRF GeoSystems | Data Files | Universal List File |
Optional Offer for FileViewPro by Solvusoft | EULA | Privacy Policy | Terms | Uninstall
“FileViewPro eliminates the time and frustration of trying to track down a specific piece of software to open a specific file.” - Tucows
*Files that are not supported can be opened in binary format.
Copyright © 2010-2023 FileViewPro