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ABNF file extension

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

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

✅ Augmented Backus-Naur Form

ABNF file is Augmented Backus-Naur Form. Augmented Backus-Naur form (ABNF) is a metalanguage based on Backus–Naur form (BNF), but consisting of its own syntax and derivation rules.
Category: Data files
Application: APG
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ABNF aliases:
ABNF related links:
ABNF related extensions:
Extended Backus-Naur Form

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

🚫 The .abnf file extension is often given incorrectly!

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

abf, abn, anf, bnf

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

ANSYS Neutral File
Adobe Binary Format Font
Alpha Five Database Export
Backus-Naur Form File

🔴 Can't open a .abnf 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 .abnf 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 .abnf file extension, write to us!

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