PSB File Extension

Photoshop Large Document Format

File Type psb
Developer Adobe Systems
Popularity
4.6 (37 votes)
Application Adobe Photoshop
Category Graphics Files
Format Binary

What is a PSB file?

Files with the PSB extension are specifically tied to Photoshop Large Document Format, a Graphics Files type, and there are 556 files in this category.

Adobe, the developer of the Photoshop Large Document Format (PSB), has released file format and 81 programs designed to handle them.

PSB file support extends to various operating systems, including Windows, Mac OS and Linux. There are 4 programs available to open a PSB file, including popular tools like Adobe Photoshop, Adobe Creative Cloud and Adobe Creative Suite.

Windows

Mac OS

Linux

Adobe Creative Cloud

How to open a PSB file?

If you are having trouble opening a PSB 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.

Thanks to their popularity, Adobe Photoshop, Adobe Creative Cloud and Adobe Creative Suite are often the go-to programs for managing PSB files. If you want the most recent release of Adobe Photoshop, head over to the Adobe site and download the version designed to run on all platforms.

After setup, the operating system should recognize PSB files and link them with Adobe Photoshop.

Set Adobe Photoshop as the default PSB program

Change Default Program on Mac

Right click or Control + left click on the desired PSB file;
Choose "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.

Change a default app in Windows

To get started, right-click your PSB file, then choose "Open With" and select "Choose Another Application" from the context menu;
In the pop-up window, select the Adobe Photoshop application;
Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening PSB files.

Solve problems with PSB files

PSB files can sometimes be tricky, but minor software adjustments usually resolve the issues. Refer to the tips below for guidance.

What Causes Adobe Photoshop to Crash Frequently?

Insufficient software updates are a likely cause of Adobe Photoshop crashes. Be sure to install the latest updates for Adobe products.

Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.

How can I restore a damaged PSB file?

Start a data recovery program and open the damaged PSB file. Then, choose the "Repair" option from the menu. Please wait patiently for the recovery process to finish as it will automatically repair the damaged graphics files.

How can I determine if my PSB file is damaged?

Characteristics of corrupted PSB graphics files can include:

Trying to work with the archive in Adobe Photoshop or other programs causes instability or program crashes;
Error notifications appear during file manipulation;
The file does not open correctly or displays error messages;
An unexplained increase in the size of the PSB file;
Editing the archive in Adobe Photoshop is hampered by poor overall performance;

How to edit a PSB file?

To modify PSB files, you need to install special software that makes it possible to open and edit graphics files. Online PSB editors are more restricted compared to software designed for Photoshop Large Document Format.

Best PSB editors 2026

Based on your described criteria, here is a list of available PSB editors.

PSB Editor Software	Developer	Platforms	Overall Rating
Adobe Photoshop	Adobe	Windows, Mac OS	4.9 out of 5 (47 reviews)

Convert files to and from PSB

If working with a PSB file is challenging, one solution is to convert it to formats like JPG, JPEG, PNG, PDF, CSV or other supported formats.

After converting a PSB file, some capabilities may be limited, but you can often convert it back to the original format.

Offline conversion tools, like Adobe Photoshop, provide reliable and high-quality conversion of PSB files.