| .MAP | id Software | Spillfiler | Quake Engine Map File | WAsP | Department of Wind Energy at the Technical University of Denmark, Denmark |
| .OBS | Department of Wind Energy at the Technical University of Denmark, Denmark | Datafiler | WAsP Obstacle List Data | WAsP | Department of Wind Energy at the Technical University of Denmark, Denmark |
| .OWC | OutWit Technologies | Databasefiler | OutWit Catch Database | WAsP | Department of Wind Energy at the Technical University of Denmark, Denmark |
| .TRB | Hash | Plug-in-filer | Animation Master Turbulence Plug-in | WAsP | Department of Wind Energy at the Technical University of Denmark, Denmark |
| .UCF | Cisco Systems | Web-Filer | WebEx Media File | WAsP | Department of Wind Energy at the Technical University of Denmark, Denmark |
| .WPH | Phoenix Technologies | Systemfiler | Phoenix BIOS File | WAsP | Department of Wind Energy at the Technical University of Denmark, Denmark |
| .WPR | Apple | Plug-in-filer | Apple Logic Studio WaveBurner Plug-in Preset File | WAsP | Department of Wind Energy at the Technical University of Denmark, Denmark |
| .WSG | Department of Wind Energy at the Technical University of Denmark, Denmark | Datafiler | WAsP Site Locations File | WAsP | Department of Wind Energy at the Technical University of Denmark, Denmark |
| .WTG | Department of Wind Energy at the Technical University of Denmark, Denmark | Datafiler | WAsP Wind Turbine Generator Data | WAsP | Department of Wind Energy at the Technical University of Denmark, Denmark |
| .WTS | Serif | Sideutformingsfiler | WebPlus Theme Set | WAsP | Department of Wind Energy at the Technical University of Denmark, Denmark |
| .WWK | Corel Corporation | Innstillingsfiler | Corel WordPerfect Keyboard Layout File | WAsP | Department of Wind Energy at the Technical University of Denmark, Denmark |
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