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YAC file extension

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

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

Table of Contents

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

✅ Yacc Source

Y file is a Yacc Source. The computer program Yacc is a parser generator developed by Stephen C. Johnson at AT&T Corporation for the Unix operating system in 1970.
Y format description not yet available
Application: GNU Bison
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
Y aliases:
yac, yacc
Y related links:
Y related extensions:
C Source Code

C Header File

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

🚫 The .yac file extension is often given incorrectly!

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

ac, gac, hac, jac, tac, yaf, yc, yca

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

GNU Autoconf Input File
SmackDown Game Audio Data
CaseWare Working Papers Client File
Ylands Workshop Export Data
Microsoft Office Groove 2007 Data
YAC Compressed
Helma Actions Script
JaStaCry Encrypted File
ActiCalc Data

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

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