AS File Type

- The quick facts

What are AS files and how to open them

Are you having problems opening an AS file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an AS file?

AS stands for Action Script. Files with the .as extension contain source code that has been written in the ActionScript language. ActionScript was developed by Macromedia. The AS files contain variables and functions written in the language as well as references to other associated files. These files are often used to create interactive Flash applications. The AS files are normally saved with an associated FLA file. These files are normally saved in plain text format.

How to open AS files

Important: Different programs may use files with the AS file extension for different purposes, so unless you are sure which format your AS file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 10 different AS openers which you will find listed below.

Last updated: October 10, 2021

Suggest another file format using extension AS

While we know of one file format using the .AS file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .AS file.

Various apps that use files with this extension

These apps are known to open certain types of AS files. Remember, different programs may use AS files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Adobe FlashAdobe FlashUser submitted
Sonic MyDVDSonic MyDVDUser submitted
Roxio MyDVDRoxio MyDVDUser submitted
Macromedia FlashMacromedia FlashUser submitted
Macromedia Dreamweaver MXMacromedia Dreamweaver MXUser submitted
Stuffit ExpanderStuffit ExpanderUser submitted
Adobe Flash CCAdobe Flash CCUser submitted
PowerDeskPowerDeskUser submitted
GnumericGnumericUser submitted
Sothink SWF QuickerSothink SWF QuickerUser submitted
We have not verified any software that we know for certain will work with AS-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with AS-files. If you know one, please use the 'Suggest a program' link below and tell us about it!