| .ARY | Hewlett-Packard | Utviklerfiler | SmartStart Scripting Toolkit Data | SmartStart | Hewlett-Packard |
| .BCK | Hewlett-Packard | Backupfiler | VMX Backup File | OpenVMS | Hewlett-Packard |
| .CVA | Hewlett-Packard | Innstillingsfiler | HP SSM Information File | HP System Software Manager (SSM) | Hewlett-Packard |
| .EDL | Avid Technology | Videofiler | Edit Decision List File | NonStop ASAP | Hewlett-Packard |
| .FBW | Hewlett-Packard | Backupfiler | HP Recovery Manager Backup File | HP Recovery Manager | Hewlett-Packard |
| .FPR | Hewlett-Packard | Datafiler | Audit Workbench Project | Fortify Static Code Analyzer | Hewlett-Packard |
| .FWI | Hewlett-Packard | Uvanlige filer | PhotoSmart 850 Digital Camera File | PhotoSmart 850 Digital Camera | Hewlett-Packard |
| .HLB | Hewlett-Packard | Datafiler | VMS / VAX Help Library | OpenVMS | Hewlett-Packard |
| .HP8 | Hewlett-Packard | Uvanlige filer | NewWave Write Text File | HP NetWave Write | Hewlett-Packard |
| .HPF | IBM | Utviklerfiler | High Performance Fortran File | HP9100A Emulator | Hewlett-Packard |
| .IDI | Hewlett-Packard | Systemfiler | EVA Controller Event Log | Enterprise Virtual Array | Hewlett-Packard |
| .LJ | Hewlett-Packard | Grafiske filer | HP LaserJet Graphic | HP LaserJet Driver | Hewlett-Packard |
| .LKG | Hewlett-Packard | Innstillingsfiler | HP-UX Configuration Data | HP-UX 11i Web Server Suite | Hewlett-Packard |
| .LSI | Hewlett-Packard | Datafiler | Xerox Lightscribe Label | LightScribe Template Labeler | Hewlett-Packard |
| .LSL | Corel | Datafiler | Corel Paradox File | LightScribe Template Labeler | Hewlett-Packard |
| .LST | Unknown Developer | Tektfiles | Data List | LightScribe Template Labeler | Hewlett-Packard |
| .MLB | Avanquest Software | Datafiler | MyLabel Designer Deluxe Project File | OpenVMS | Hewlett-Packard |
| .OID | Hewlett-Packard | Datafiler | HP ProCurve Manager Network Device File | HP ProCurve Manager | Hewlett-Packard |
| .OMS | Hewlett-Packard | Innstillingsfiler | HP Printer Substrate Presets Package File | HP Embedded Web Server | Hewlett-Packard |
| .PSF | Adobe Systems Incorporated | Innstillingsfiler | Photoshop Proof Settings File | HP-UX 11i Web Server Suite | Hewlett-Packard |
| .PVM | Parallels | Diskbildefiler | Parallels Virtual Machine | HP Image Zone | Hewlett-Packard |
| .RFU | Hewlett-Packard | Datafiler | Remote Firmware Update | HP Remote Firmware Update | Hewlett-Packard |
| .SL | SourceForge | Innstillingsfiler | Unix Software License File | HP-UX 11i Web Server Suite | Hewlett-Packard |
| .SOM | Corel | Datafiler | Corel Paradox Sort Information | HP-UX 11i Web Server Suite | Hewlett-Packard |
| .TASK | Hewlett-Packard | Datafiler | HP Printer Utility Task Plugin File | HP Printer Utility (for Mac) | Hewlett-Packard |
| .TJF | Hewlett-Packard | Backupfiler | VAXTPU Backup | OpenVMS | Hewlett-Packard |
| .TLB | Various Developers | Tektfiles | VAX Text Library | OpenVMS | Hewlett-Packard |
| .TR5 | Onyx Computing | Grafiske filer | OnyxTree Professional Data | HP Content Manager | Hewlett-Packard |
| .TRB | Hash | Plug-in-filer | Animation Master Turbulence Plug-in | HP Printer Utility (for Mac) | Hewlett-Packard |
| .USL | Hewlett-Packard | Fontfiler | LaserJet Landscape Font File | HP LaserJet Driver | Hewlett-Packard |
| .WLM | Pierre-Emmanuel Gougelet | Rasterbildefiler | CompW Image Format File | HP-UX 11i Web Server Suite | Hewlett-Packard |
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