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Details of the .pch file extension

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

  • What is the .pch file?
  • What program do I need to open a .pch file?
  • How can the .pch file be opened, edited or printed?
  • Where can I find the specifications for .pch?
  • Which MIME-type is associated with the .pch extension?
  • How can I convert .pch files to another format?
  • What are other, similar filename extensions to .pch?

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

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

.pch file extension details

Visual Studio Precompiled Header

Visual Studio Precompiled Header .pch file icon
PCH file is a Visual Studio Precompiled Header.
Category: Development files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
PCH aliases:
PCH related links:
PCH related extensions:
Visual Basic Form

Visual Studio Makefile

Visual Studio No Compile Browse File

Visual Basic Project

Visual Basic Workspace

Visual FoxPro Class Library

Visual Basic Designer Binary File

Visual Basic Designer File

Visual Basic Global Declaration

Visual Basic User Control Binary File

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

.pch file extension error

The .pch file extension is often given incorrectly!

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

ch, pc, pcm, pcu, pcj, ph, cph, pcb, psh, pcg, phc, pcn, pdh, och

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

NewsRoom Document
Personal Composer Document
QuickDraw Pict Image
RAW PCM Audio Data
IBM LinkWay Graphics Data
XProfan Compiled Unit
Corel Print House Document
Microsoft PowerPoint Data
SmartCAM Custom Control Panel File
open .pch file

Can't open a .pch 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 .pch file association, check the FAQ.

.pch file extension

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 .pch file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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