.A7R File Extension
File TypeAuthorware 7 Runtime File
What is an A7R file?
An A7R file is created with Authorware's one-button publishing feature. When you use the application's package publishing option, you can choose to package the A7P file as an .EXE or A7R file. To create the A7R file, select File → Publish → Package..., choose "Without Runtime" from the drop down menu, and click "Save File(s) & Package...". Then, name the file, choose the save location, and click Save.
NOTE: After the release of version 7, Macromedia was was acquired by Adobe Systems and eventually discontinued.