A y file extension is related to the Unix yacc grammar data format used by Unix-based operating systems.

There are 4 other file types using
the Y file extension!

empty icon.y - Subsampled RAW YUV bitmap image

empty icon.y - Amiga Yabba compressed archive

y icon.y - Xcode core yacc program

empty icon.y - Yet Another Compiler-Compiler (YACC) grammar file

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Y file extension - Unix yacc grammar data

What is y file? How to open y files?

File type specification:

Various data file type icon Various data file type

The y file extension is associated with the UNIX multi-user and multi-tasking operating system for various hardware platforms, also used as the base of other systems, like Mac OS X (macOS), Linux, Solaris etc.

The y file stores yacc grammar data.

The default software associated to open y file:

Unix icon

The Open Group logoUnix  Linux/Unix software

Company or developer:
The Open Group

A multi-tasking operating system for various platforms, the first version of UNIX was released in 1969. It is developed by AT&T as well as various commercial vendors, universities and non-profit organizations. Traditional Original Unix systems have characteristics of Version 7 Unix or UNIX System V. Unix Specification have Mac OS X, Mac OS X Server, Solaris, AIX, HP/UX, z/OS etc. Other systems, such as Linux and BSD are called Unix-like or Unix system-like.

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

List of recommended software applications associated to the .y file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open y file, edit y file, convert y file, view y file, play y file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with y file - Unix yacc grammar data

Click on the software link for more information about Unix. Unix uses y file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).


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