.Y File Extension

Yacc Source File

Developer Stephen C. Johnson
3.9  |  31 Votes

What is a Y file?

Developer file used by Yacc (Yet Another Compiler-Compiler), a program used to generate source code parsers; contains formal declarations for how a programming language is defined; used for generating parsers for various languages.

More Information

NOTE: Yacc has been used for creating the parser for the C programming language.

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Programs that open or reference Y files

Subsampled Raw YUV Image

Developer N/A
2.2  |  6 Votes

One of three files from a split .PPM file; others are .U and .V files; YUV representation is used by the Stanford MPEG codec.

Programs that open Y files

Amiga Yabba Compressed Archive

Developer N/A
2.0  |  6 Votes

A Y file may also be a compressed archive most likely created on an Amiga computer. It contains one or more files compressed using Yabba compression.

More Information

While Yabba compression was used mostly on Amiga computers, a version of Yabba also existed for Unix.

How to open a Y file

You can open a Y file with Smith Micro StuffIt Deluxe (Windows, Mac) or Cloanto Amiga Forever (multiplatform).

Programs that open Y files

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