>> ATG file

ATG file format description

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

1 filename extension(s) found in our database.

.atg - Coco/R Attributed Grammar File

The ATG development files are related to Coco/R. The ATG file is a Coco/R Attributed Grammar File. Coco/R is a compiler generator that takes an L-attributed Extended Backus–Naur Form (EBNF) grammar of a source language and generates a scanner and a parser for that language.

Development files
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Coco/R Attributed Grammar File related extensions:
Kokogut C Output File
FlashDevelop Zip File
Precompiled C Header File
Code::Blocks Dependencies File
Mizar Vocabulary File
GOLD Parser Enhanced Grammar Table

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

Can't open a .atg 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 .atg file extension is often given incorrectly!

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

afg, ag, agg, agt, arg, at, atb, atf, ath, atn, atr, att, atv, aty, qtg

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Autodesk AutoCAD User Profile
ASAM Transfer Format XML Data
TuxGuitar Document
Act! Data File
WAsP Wind Turbine Generator Data
Tablet Assembly 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

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