PCH File Extension
Precompiled Header Format
- File Type pch
- Developer MSC Software
- Popularity
- Application Xcode
- Category Developer Files
- Format Text
What is a PCH file?
The PCH extension is related to Precompiled Header Format and is classified in the Developer Files category, which contains 1166 files.
PCH files are compatible with various operating systems, including Mac OS, Windows and Linux. You can open a PCH file using one of 2 programs, for example Microsoft Visual Studio and Xcode.
Programs that support PCH files
How to open a PCH file?
The most common reason why a PCH file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.
Microsoft Visual Studio and Xcode are among the most widely used programs for handling PCH files. If you wish to install the latest release of Xcode, visit the official Apple portal and download the edition that works on any operating system.
Following installation, PCH files should be automatically opened with Xcode.
Set Xcode as the default PCH application
Change the default app that opens a file on Mac
- Right-click or use Control + Left-click on the desired PCH file to open a menu where you can choose from multiple actions;
- Choose "Open in Application" and click "Other";
- Look at the bottom of the window, where you will see the "Enable" menu. "Recommended Programs" will be selected as the default option;
- Within this menu select "All Programs" and navigate to Xcode. Check the box next to "Always open in app" to make sure it’s the default option.
Change default programs in Windows
- Start the process by right-clicking on your PCH file and selecting "Open With". From there, click "Choose another app" to continue;
- From the options listed in the pop-up window, specifically choose Xcode as the application to handle your PCH file;
- Be sure to check the "Always use this app" checkbox and click "OK" to save your preference.
Troubleshooting guide for PCH file complications
When issues arise with PCH files, they can generally be fixed with small software tweaks. Use the troubleshooting tips below to help resolve them.
What are the possible solutions to recover a corrupt PCH file?
Start a recovery program, open the damaged PCH file and then select the "Repair" menu item to start the repair procedure. Wait for the recovery process to finish, allowing automatic repair of damaged developer files.
How can I confirm if my PCH file has been damaged?
The signs of corrupted PCH developer files can manifest as:
- The file shows slow performance when edited in Xcode;
- The file stops responding or freezes in Xcode or other programs;
- The file does not respond or shows errors when opening it;
- Unexplained PCH file size inflation;
- The file operation is accompanied by the display of error messages;
What are the possible causes of Xcode crashing?
Lack of regular software updates can cause Xcode to crash. Make sure you have installed the latest updates for Apple products.
Restarting your computer is a crucial troubleshooting measure that can alleviate numerous common problems. Therefore, it is advisable to restart your computer before modifying any settings related to the software.
How to edit a PCH file?
To modify PCH files, it is necessary to install dedicated software that lets you open and edit developer files. Online PCH editors generally offer fewer tools compared to programs designed for Precompiled Header Format.
Best PCH Editor Software in 2026
Taking into account the provided details, we have prepared a list of PCH editors that match your needs.
| PCH Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Xcode | Apple | Mac OS | 4.7 out of 5 (39 reviews) |
| Microsoft Visual Studio | Microsoft | Windows, Mac OS, Linux | 4.2 out of 5 (35 reviews) |