CSH File Extension
Photoshop Custom Shapes Format
- File Type csh
- Developer Adobe Systems
- Popularity
- Application Adobe Photoshop
- Category Vector Image Files
What is a CSH file?
The CSH file extension is linked to Photoshop Custom Shapes Format and belongs to the Vector Image Files category, which includes 120 files.
Adobe, the developer of the Photoshop Custom Shapes Format (CSH), has released file format and 81 programs designed to handle them.
CSH files are supported by Mac OS, Windows and Linux. There are 4 programs available to view a CSH file, including popular tools like Adobe Photoshop, Adobe Photoshop Elements and Adobe Creative Cloud.
File Signature
HEX code: 63 75 73 68 00 00 00 02 00 00 00. ASCII code: cush.
Programs that support CSH files
How to open a CSH file?
If you are having trouble opening a CSH file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.
The most popular programs for working with CSH files are Adobe Photoshop, Adobe Photoshop Elements and Adobe Creative Cloud. To install the current version of Adobe Photoshop, go directly to the official Adobe website. The universal package for all operating systems is available there.
After setup, the operating system should recognize CSH files and link them with Adobe Photoshop.
Setting Adobe Photoshop as default CSH viewer
Changing the default program in Windows
- Right-click on your CSH file and choose the "Open With" option. Then click "Choose another app" to continue the process;
- Choose Adobe Photoshop from the available applications listed in the pop-up window to set it as the default application to open your CSH file;
- Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.
Change the default app for a file type in Mac
- Initiate a right click or use Control + left click on the desired CSH file to open a menu where you can select various actions;
- Select "Open in application" and click "Other";
- Scroll down to the bottom of the window, and there you will find the "Enable" menu. The default selection is "Recommended Programs";
- Choose "All Programs" within this menu and locate Adobe Photoshop. Check the box next to "Always open in app" to set it as the default program.
How to edit a CSH file?
To edit CSH files, you need to install specialized software that allows you not only to open but also to modify vector image files. Online CSH editors usually provide fewer features than software created specifically for Photoshop Custom Shapes Format.
Best CSH editors in 2026
Based on your described criteria, here is a list of available CSH editors.
| CSH Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Adobe Photoshop | Adobe | Windows, Mac OS | 4.9 out of 5 (47 reviews) |
| Adobe Photoshop Elements | Adobe | Windows | 4.7 out of 5 (41 review) |
Tips and tricks to solve problems with CSH files
CSH files can sometimes be tricky, but minor software adjustments usually resolve the issues. Refer to the tips below for guidance.
Are there any symptoms that my CSH file is damaged?
Corrupted CSH vector image files may have one or more of the following symptoms:
- File hangs or crashes in Adobe Photoshop or other programs;
- Error dialogs are displayed when interacting with the file;
- The file does not open or opens with errors;
- Unexplained increase in CSH file size;
- Poor performance when editing a file in Adobe Photoshop;
Why does Adobe Photoshop crash or shut down frequently?
The absence of software updates can cause Adobe Photoshop to crash. It is recommended to install the latest available updates for Adobe products.
Restarting your computer is an essential troubleshooting step that can resolve many common problems. It is recommended to restart your computer before making any changes to the software settings.
Is there any specific software or utility that can help repair a damaged CSH file?
Start a data recovery program and open the damaged CSH file. Go to the menu and select the "Repair" option to repair the file. Then wait for the recovery process to complete, which allows you to automatically repair corrupted vector image files.