>> AS1 file

AS1 file format description

Many people share .as1 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .as1 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .as1 files.

1 filename extension(s) found in our database.

.as1 - ActionScript 1.0 Source Code

The AS1 development files are related to Adobe Flash Professional. The AS1 file is an ActionScript 1.0 Source Code. ActionScript is an object-oriented programming language originally developed by Macromedia.

Adobe Flash Professional
Development files
- / -
ActionScript 1.0 Source Code related extensions:
Cocos2d-x S3E Executable
Tally.ERP 9 Dictionary Data
Esterel Source Code
WebFOCUS TScom3 Log
IWBasic Source Code
F2PY Signature File

Naturally, other applications may also use the .as1 file extension. Even harmful programs can create .as1 files. Be especially cautious with .as1 files coming from an unknown source!

Can't open a .as1 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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .as1 file extension is often given incorrectly!

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

a1, a51, ac1, ae1, aq1, as, asl, asq, asw, s1, sa1, ws1, zs1

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Quest Adventure Game
AptiQuiz Test
Free Pascal Compiled Archive
NetBSD AE0 Interface Configuration
AcuSQL Precompiled File
Adobe Flash ActionScript

Operating systems currently supports the following operating systems:

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

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