A daily updated filename extension database!

Details of the .as3 file extension

The table below provides useful information about the .as3 file extension. It answers questions such as:

  • What is the .as3 file?
  • What program do I need to open a .as3 file?
  • How can the .as3 file be opened, edited or printed?
  • Where can I find the specifications for .as3?
  • Which MIME-type is associated with the .as3 extension?
  • How can I convert .as3 files to another format?
  • What are other, similar filename extensions to .as3?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.as3 file extension details

ActionScript 3.0 Source Code

ActionScript 3.0 Source Code .as3 file icon
AS3 file is an ActionScript 3.0 Source Code. ActionScript is an object-oriented programming language originally developed by Macromedia.
AS3 format description not yet available
Category: Development files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
AS3 aliases:
AS3 related links:
AS3 related extensions:
Adobe Director Protected Movie

Shockwave Flash Source File

Adobe Flash Project File

Macromedia Flash Paper

Shockwave Flash Component File

Shockwave Flash

Shockwave Flash Template

Adobe Director Protected Cast

Adobe Director Cast

Adobe Director Compressed Cast

Other types of files may also use the .as3 file extension.

.as3 file extension error

The .as3 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

ase, asw, xs3, as, asr, ac3, a3s

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Amazon Kindle Format 8 Ebook
Autodesk 3D Studio ASCII Scene Export
Adobe Photoshop Swatch Exchange File
Amazon Kindle Format 8 Ebook Metadata
WordStar 2000 Document
ACDSee Slideshow Wizard Project
XESS Worksheet
Adobe Flash ActionScript
Freescale S-record File
Flash Server-side ActionScript
open .as3 file

Can't open a .as3 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 a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .as3 file association, check the FAQ.

.as3 file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .as3 file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文