A3L file format description

Many people share .a3l files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .a3l file can be edited, converted or printed with. On this page, we try to provide assistance for handling .a3l files.

1 filename extension(s) found in our database.

Naturally, other applications may also use the .a3l file extension. Even harmful programs can create .a3l files. Be especially cautious with .a3l files coming from an unknown source!

Can't open a .a3l 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:

example.a3l

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.

• Open Control Panel > Control Panel Home > Default Programs > Set Associations.
• Select a file type in the list and click Change Program.

The .a3l file extension is often given incorrectly!

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

a31, w3l, arl, ael, a3k, z3l, awl, al3, a3p

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

.a3p

Alice v3 Project

.a3m

Macromedia Authorware Macintosh File

.ael

Asterisk Extension Language Source Code

.al

A-Law Compressed Audio File

.al3

Acord AL3 Data

.arl

AOL Organizer File

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If you have useful information about the .a3l file format, then write to us!