ACTIONSCRIPT file format description

Many people often share .actionscript files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .actionscript files. To address this issue, we have created this page to offer assistance and guidance on handling .actionscript files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .actionscript files.

Our aim is to simplify the process and promote seamless use of the .actionscript file format.

1 filename extension(s) found in our database.

.as - Adobe Flash ActionScript

The AS development files are related to Adobe Flash Professional. The AS file is an Adobe Flash ActionScript. ActionScript is the programming language of the Flash Player runtime.

Application:Adobe Flash Professional
Category:Development files
Magic:- / -

Adobe Flash ActionScript related extensions:

  • lrdevplugin Adobe Photoshop Lightroom Development Plug-in
  • xojo_toolbar Xojo Toolbar Data
  • cp CPIde Source Code
  • llb LabVIEW Library
  • svdl Security Validation Description Language Document
  • guess Autotools Triplet

Be careful.

It is important to understand that the .actionscript file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .actionscript extension to create files. This includes potentially harmful programs or malware that may generate .actionscript files for various purposes. Be especially cautious with .actionscript files coming from untrusted or unknown sources.

Can't open a .actionscript file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize an extension, you receive the following message:

Select an app to open this .actionscript file

To set the .actionscript file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as Photos for image files or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set .actionscript file association. Many applications can open .actionscript files without requiring any specific file association to be set.

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you find the information on this .actionscript page useful, please feel free to link to this page. >> ACTIONSCRIPT file