>> BNF file

BNF file format description

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

1 filename extension(s) found in our database.

.bnf - Backus-Naur Form File

The BNF data files are related to BNF Parser2. 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.

BNF Parser2
Data files
- / -
Backus-Naur Form File related extensions:
ActiveSync Backup
Forsyth–Edwards Notation Data
Derive for Windows Data
TI Connect Group File
SMART Notebook Gallery Item
TI Derive Demo

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

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 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 .bnf file extension is often given incorrectly!

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

bbf, bf, bfn, bgf, bhf, bjf, bmf, bn, bnb, bnc, bnd, bng, bnr, bnt, bnv

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

DB2 CLI Bind File
PTC Creo FEM Neutral Format Document
hyperMILL CAM Boundary Data
Cryo BF Game Data
GluonPilot Navigation File
libigl Skeletal Data

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

If you find the information on this page useful, please feel free to link to this page.

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