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A2L file extension

The table below provides useful information about the .a2l file extension. It answers questions such as:

  • What is the .a2l file?
  • What program do I need to open a .a2l file?
  • How can the .a2l file be opened, edited or printed?
  • How can I convert .a2l files to another format?

Table of Contents

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

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

✅ ASAP2 ECU Description

A2L file is an ASAP2 ECU Description. ASAM MCD-2 MC (ASAP2) defines the description format of the internal ECU variables used in measurement and calibration.
A2L format description not yet available
Category: Document files
Application: ASAP2 Tool Set
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
A2L aliases:
A2L related links:
A2L related extensions:

Other types of files may also use the .a2l file extension.

🚫 The .a2l file extension is often given incorrectly!

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

a21, a2i, a2m, a2p, ael, al, awl, azl

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Adlib Tracker II Instrument File
Amazon Kindle Data
Adlib Tracker II Song
ARJ Compressed Archive
SAM Alignment Data
A-Law Compressed Audio File
Adlib Tracker II Pattern File
Asterisk Extension Language Source Code
Siemens AWL File

🔴 Can't open a .a2l 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 .a2l file association, check the FAQ.

🔴 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 .a2l file extension, write to us!

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