| File Extension: | A4R |
| File Type Description: | Adobe Authorware Package Course Data |
| File Type Developer: | Adobe Systems Incorporated |
| Primary Associated Software: | Adobe Authorware |
| Primary Software Developer: | Adobe Systems Incorporated |
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Adobe Systems Incorporated created the Adobe Authorware Package Course Data (A4R) file for the Adobe Authorware software series. Data from our web servers (annonymous users) show that A4R files are most popular in China and are often used by Windows 10. Most of these users are running the Google Chrome web browser.
 | Adobe Authorware by Adobe Systems Incorporated |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .PSET | Adobe Systems Incorporated | Plugin Files | Adobe InDesign Plug-in Set File |
| .IDLK | Adobe Systems Incorporated | Uncommon Files | Adobe InDesign Lock File |
| .XFT | Cay Horstmann | Font Files | ChiWriter Printer Font |
| .XHTML | Opera Software | Web Files | Extensible Hypertext Markup Language Document |
| .CSN | Adobe Systems Incorporated | Developer Files | Adobe Code Snippet Document |
| .TBR | Adobe Systems Incorporated | Settings Files | Adobe Photoshop Custom Toolbar Preset |
| .MXML | Adobe Systems Incorporated | Developer Files | Flex MXML Component |
| .XMO | Adobe Systems Incorporated | System Files | Adobe Authorware Movie Driver |
| .FPX | Kodak | Raster Image Files | FlashPix Bitmap Image File |
| .NWM | Sony | Uncommon Files | Sony NWM Display Screen File |
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