The File Extensions Database


.A4R File Extension

  • Developer by: Adobe Systems Incorporated
  • Category: Various data Files

What is an .A4R file?

.A4R is Adobe Authorware package course data

The a4r file extension is associated with the Adobe Authorware, a graphical programming language and development environment for multimedia apps.

The a4r file contains package course.

The Adobe Authorware is obsolete product.

This a4r file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.


How to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

How to solve problems with A4R files

  • Associate the A4R file extension with the correct application. On :
    Windows: Right click on any A4R file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.A4R files". Mac: Right click (or Ctrl-click) the A4R file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .A4R is Adobe Authorware package course data. Because only the current version supports the latest A4R file format. Search, therefore, e.g. on the Adobe Systems Incorporated manufacturer website after an available .A4R is Adobe Authorware package course data update.
  • To make sure that your A4R file is not corrupted or virus-infected, get the file again and scan it with antivirus software.