PCH File

What are PCH files and how to open them

Are you having problems opening a PCH file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your PCH files.

What is a PCH file?

PCH files have multiple uses, and IFF Binary Patch is one of them. Read more about the other uses further down the page.

IFF Binary Patch

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open PCH files

Important: Different programs may use files with the PCH file extension for different purposes, so unless you are sure which format your PCH file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different PCH openers which you will find listed below.

Last updated: July 31, 2023

All known file formats using extension .PCH

While IFF Binary Patch is a popular type of PCH-file, we know of 2 different uses of the .PCH file extension. Different software may use files with the same extension for different types of data.

MS Visual C++ Precompiled Header

We know that one PCH format is MS Visual C++ Precompiled Header. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of PCH files. Remember, different programs may use PCH files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about PCH file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.