| wel | Heliosoft Seismaster Input Well Path |
| wel | MODFLOW Well Package |
| wells | ParFlow Well Output Data |
| wenlin | Wenlin Software Data |
| wenlinbin | Wenlin Software Binary Data |
| wenlindb | Wenlin Software Database |
| wenlinfc | Wenlin Software Flashcards Data |
| wenlinfx | Wenlin Software FX Data |
| wenlintree | Wenlin Software Tree Data |
| wes | WE7000 Control Software Setup Data |
| wex | WexView Browser Course Data |
| wf | Agilent Infiniium Oscilloscope Binary Waveform Data |
| wf4 | PTC Creo Parametric Symbol Data |
| wfc | Wink Flash Control Bar Data |
| wff | Dataplore Wavelet Filter |
| wff | FRAMES Water Flux File |
| wfg | Altair FEKO GraphFEKO Data |
| wfi | Agilent Infiniium Oscilloscope Waveform Data |
| wfindex | Adobe Photoshop Lightroom Index Data |
| wfl | Ultimus Workflow Suite Process Data |
| wfl | WellFlo Binary Data |
| wflx | WellFlo Model Data |
| wfm | Tektronix Oscilloscope Waveform Data |
| wfmx | Tektronix AWG70000A Series Waveform Data |
| wfn | AIM Traditional Wavefunction Data |
| wfp | Wink Flash Preloader Data |
| wfr | EMSE Wireframe Data |
| wft | Nicolet DSO Exported Data |
| wft | Oracle Workflow Process Definition |
| wfu | Molpro Permanent Wave-function Data |
