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GCH file extension

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

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

Table of Contents

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

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

✅ Precompiled C Header File

GCH file is a Precompiled C Header File. The C programming language is a standardized imperative computer programming language developed in the early 1970s by Dennis Ritchie for use on the Unix operating system.
Application: GCC
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
GCH aliases:
GCH related links:
GCH related extensions:
C Source Code

C++ Source Code

C Header File

C++ Header File

C++ Internal Header

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

🚫 The .gch file extension is often given incorrectly!

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

bch, ch, fch, gc, gcb, gcg, gcm, gct, gdh, gfh, gh, ghc, gsh, gxh, hch

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Grasshopper 3D Document
Altair FEKO Green Magnetic Field Strengths Data
Scitex Continuous Tone
SmartWare High-Low Graph Definition File
PCCharge Offline Transaction Log
General CADD Hatch
GAUSS Compiled Program
Oracle Documaker Batch
Microsoft Outlook Express Folder Data
Gamecube Disk Image

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

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