File extension as

Name: Programming Files

Popularity: 8

Open With: Ultra File Opener

What is this as file?

Source code written in ActionScript, a scripting language developed by Macromedia; may contain variables, functions, and references to other files; typically used for creating interactive Flash applications. ActionScript files are often saved along with the Flash movie (.FLA file) that references the AS file; ActionScript files can be edited within Flash or with a basic text editor.

Name: Data Files

Popularity: 2

Open With: Ultra File Opener

What is this as file?

File created in the AppleSingle format, an archiving format used by older Macintosh systems that have the A/UX operating system; saves both the resource fork and the data fork in a single file; now considered an obsolete file format.