.X-PNG | The Pixelmator Team | Rasterbilledfiler | Portable Network Graphics | Adobe Illustrator CC | Adobe Systems Incorporated |
.X16 | Macromedia | Datafiler | Macromedia Extra Document | Adobe Dreamweaver | Adobe Systems Incorporated |
.X32 | Adobe Systems Incorporated | Plug-in-filer | Adobe Xtra File | Adobe Director | Adobe Systems Incorporated |
.X3F | SIGMA Corporation | Kamera Ubehandlede Filer | SIGMA X3F Camera RAW File | Adobe Photoshop CC | Adobe Systems Incorporated |
.XCI | Adobe Systems Incorporated | Indstillingsfiler | Adobe Reader Font Mapping File | Adobe Reader | Adobe Systems Incorporated |
.XDC | Adobe Systems Incorporated | Indstillingsfiler | Adobe Acrobat Printer Description | Adobe Acrobat DC | Adobe Systems Incorporated |
.XDP | Adobe Systems Incorporated | Datafiler | XML Data Package | Adobe Acrobat DC | Adobe Systems Incorporated |
.XFD | JetForm | Datafiler | FormFlow 99 Form Data File | Adobe Acrobat DC | Adobe Systems Incorporated |
.XFDF | Adobe Systems Incorporated | Datafiler | Adobe Acrobat XFDF File | Adobe Acrobat DC | Adobe Systems Incorporated |
.XFL | Adobe Systems Incorporated | Videofiler | Adobe Flash Exchange File | Adobe Animate CC 2017 | Adobe Systems Incorporated |
.XFT | Cay Horstmann | Skrifttypefiler | ChiWriter Printer Font | Adobe LiveCycle ES4 | Adobe Systems Incorporated |
.XHTM | Opera Software | Webfiler | Extensible Hypertext Markup Language Document | Adobe Dreamweaver | Adobe Systems Incorporated |
.XHTML | Opera Software | Webfiler | Extensible Hypertext Markup Language Document | Adobe Dreamweaver | Adobe Systems Incorporated |
.XMO | Adobe Systems Incorporated | Systemfiler | Adobe Authorware Movie Driver | Adobe Authorware | Adobe Systems Incorporated |
.XMP | Adobe Systems Incorporated | Ikke Almindelige Filer | Extensible Metadata Platform File | Adobe Photoshop | Adobe Systems Incorporated |
.XMPSES | Adobe Systems Incorporated | Datafiler | Adobe Premiere Elements Data | Adobe Premiere Elements | Adobe Systems Incorporated |
.XPJ | Adobe Systems Incorporated | Datafiler | RoboHelp HTML Project | Adobe RoboHelp | Adobe Systems Incorporated |
.XPR | Parametric Technology Corporation | 3D-billedfiler | Pro/ENGINEER Part Instance Accelerator File | Adobe Acrobat DC | Adobe Systems Incorporated |
.XSLT | Syncro Soft | Datafiler | XSL Transformation File | Adobe Dreamweaver | Adobe Systems Incorporated |