| AutoCAD Fast-load Auto LISP Format | |
| Autodesk | |
| Ads |
File with a .FAS extension contains complex code of a script written in the AutoLISP programming language, usually serving as an additional tool or a macro. Compiling of the source files is usually performed with IDE Visual LISP.
FAS files are used to extend the AutoCAD software – automatizing common processes and adding new functionalities. IDE used for compiling of such files is often added to the AutoCAD software.
Windows
| .a6p | Adobe Authorware Application Format |
| .action | Mac OS X Automator Action Format |
| .actm | Autodesk AutoCAD Action Macro Format |
| .ahk | AutoHotkey Script Format |
| .air | Adobe AIR Rich Internet Applications |
| .apk | Google Android Package Format |
| .app | MAC Application Package Or Core System Service Format |
| .applescript | AppleScript Script Format |