| Adobe Acrobat Job Definition Format | |
| Adobe Systems | |
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SDF is an XML file format used by Adobe Acrobat software application. JDF documents are used by PDF files to communicate with printing devices. JDF files store various print settings and parameters such as number of pages to be printed, ink type to be used, and printer profiles to be applied.
JDF files fulfill purely supporting role. JDF are commonly used for distributing print data between project groups to maintain agreed-upon standard for printed documents.
Windows
Mac OS
| .a2theme | Aston 2 Theme Format |
| .acb | Adobe Color Book Format |
| .acbl | Adobe Color Book Format |
| .aco | Adobe Photoshop Color Palette And Swatches Format |
| .acrobatsecuritysettings | Adobe Acrobat Security Settings Format |
| .acrodata | Adobe Acrobat Data Format |
| .acv | Adobe Photoshop Colour Curves Format |
| .acw | Microsoft Accessibility Wizard Format |