>> A3M file

A3M file format description

Many people share .a3m files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .a3m file can be edited, converted or printed with. On this page, we try to provide assistance for handling .a3m files.

1 filename extension(s) found in our database.

.a4m - Macromedia Authorware Macintosh File

The A4M development files are related to Adobe Authorware. The A4M file is a Macromedia Authorware Macintosh file. Authorware is a visual authoring tool for creating rich-media e-learning applications for delivery on corporate networks, CD/DVD, and the Web.

Adobe Authorware
Development files
- / -
a3m, a5m, a6m, a7m
Macromedia Authorware Macintosh File related extensions:
Komodo IDE Compressed Package
Visual Studio Command Table Symbols File
Visual Studio Command Table
Visual Studio Application XML
Directed Graph Markup Language Document
Visual Studio Internal Compilation Database

Naturally, other applications may also use the .a3m file extension. Even harmful programs can create .a3m files. Be especially cautious with .a3m files coming from an unknown source!

Can't open a .a3m 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 .a3m file extension is often given incorrectly!

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

3m, a3k, a3l, aem, am, am3, arm, awm, w3m, z3m

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Warcraft 3 Map
Likno AllWebMenus Data
Alphacam Router Param Macro
GNU Automake Input File
Advent 3B2 Macro
RenderWare Language Pack

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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