| .W3D | Adobe Systems Incorporated | Videofiler | Adobe Shockwave 3D File | Adobe Director | Adobe Systems Incorporated |
| .WAC | Wacom | Datafiler | Inkling Sketch XML File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .WAV | Microsoft Corporation | Lydfiler | WAVE Audio File | Adobe Audition | Adobe Systems Incorporated |
| .WBM | Jamie Cameron | Plug-in-filer | Webmin Module | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .WBMP | XnSoft | Rasterbildefiler | Wireless Bitmap Image File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .WDGT | Opera Software | Web-Filer | Opera Widget File | Adobe Captivate | Adobe Systems Incorporated |
| .WDP | Microsoft Corporation | Rasterbildefiler | Windows Media Photo File | Adobe Photoshop | Adobe Systems Incorporated |
| .WEBP | Google | Rasterbildefiler | Google Image File Format | Adobe Photoshop | Adobe Systems Incorporated |
| .WFX | Adobe Systems Incorporated | Innstillingsfiler | Adobe User Keyboard Shortcut Settings | Adobe Creative Cloud | Adobe Systems Incorporated |
| .WMF | Microsoft Corporation | Vektorbildefiler | Windows Metafile | Adobe Illustrator CC | Adobe Systems Incorporated |
| .WML | Syncro Soft | Web-Filer | Wireless Markup Language File | Adobe Dreamweaver | Adobe Systems Incorporated |
| .WPI | Wacom | Vektorbildefiler | Inkling Sketch Binary File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .WV | David Bryant | Lydfiler | WavPack Audio File | Adobe Audition | Adobe Systems Incorporated |
| .WWF | World Wide Fund (WWF) | Sideutformingsfiler | World Wide Fund Non-Printable Document | Adobe Acrobat DC | Adobe Systems Incorporated |
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