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BNF file extension

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

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

✅ Backus-Naur Form File

BNF file is a Backus-Naur Form File. BNF (Backus-Naur Form) is a notation techniques for context-free grammars, often used to describe the syntax of languages used in computing, such as computer programming languages, document formats, instruction sets and communication protocols.
Category: Data files
Application: BNF Parser2
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
BNF aliases:
BNF related links:
BNF related extensions:

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

🚫 The .bnf file extension is often given incorrectly!

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

nbf, bbf, gnf, bnt, bng, bnc, bn, bjf, vnf, bgf, nf, bf, hnf, fnf, bnr

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

ScriptBasic Compiled Binary File
OS/2 MultiDesk Banner
Backnine Bookie Data
Zemax Binary Glass Catalog
NTI Backup Now Archive
Cryo BF Game Data
Entropia Universe Game Archive
Bojanov Encryptor File
PCAnywhere Data
Windows Mobile Rom Upgrade File

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

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