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Adobe Photoshop Large Document Format
File type: Graphics file
Files with psb file extension can be most often encountered as graphics files from Adobe Photoshop. It's a JPEG 2000 based bitmap format for very large images. This format is only compatible with some later editions of Photoshop.
Found 5 different file type records with the same psb filename suffix.
File type category:
Graphics file
Date updated: January 2, 2025
File extension psb is associated with Adobe Photoshop's file format for large and oversized images. The JPEG 2000 file format.
In versions of Photoshop prior to Photoshop CS, the maximum image size was 30,000 pixels by 30,000 pixels. That limit still holds for the Photoshop (psd file format).
However, you can now work with images much larger than that. The new maximum pixel dimensions are 300,000x300,000 pixels.
Files over 30,000 pixels in either dimension can be saved as TIFF (up to 4GB, the maximum size the TIFF standard supports) or Photoshop Raw (not to be confused with Camera Raw).
There is also the option of using the new PSB file format - effectively a large-image version of the Photoshop psd format. You activate the PSB file format capability in the File Handling pane of the Photoshop Preferences dialog box by checking the box Enable Large Document Format (.psb).
If you have a very large image that you need to use with a program other than Photoshop, use TIFF. TIFF supports the maximum image dimensions allowed by Photoshop and file sizes as large as 4GB.
Photoshop will remind you that the PSB file format is compatible only with Photoshop CS or higher versions. Other programs and earlier versions of Photoshop will not recognize the format.
Any file can be saved in the PSB format, but it won't be readable in any program other than Photoshop CS or higher versions.
Notes:
Remember that Photoshop's Large Document Format (PSB) is not available until you enable the feature in the File Handling pane of Photoshop's Preferences dialog box.
You can work with *.psb files in Adobe Photoshop.
Adobe Photoshop and other tools can export or save *.psb files to another format.
Software applications that can open psb files:
Microsoft Windows
Apple macOS / Mac OS X
Multiplatform
Software applications that can edit psb files:
Microsoft Windows
Apple macOS / Mac OS X
Software capable of saving psb files:
Microsoft Windows
Apple macOS / Mac OS X
Programs for viewing psb files:
Microsoft Windows
Apple macOS / Mac OS X
Software apps that create psb files:
Microsoft Windows
Apple macOS / Mac OS X
Software apps that convert psb files:
Microsoft Windows
Apple macOS / Mac OS X
Software apps that import psb files:
Microsoft Windows
Apple macOS / Mac OS X
Multiplatform
Software apps that export psb files:
Microsoft Windows
Apple macOS / Mac OS X
Software apps that print psb files:
Microsoft Windows
Apple macOS / Mac OS X
Software applications that handle other tasks involving psb files:
Microsoft Windows
Apple macOS / Mac OS X
Multiplatform
File type category:
Settings, options, themes or skins file
Date updated: July 14, 2025
File extension psb is also associated with the Corel PaintShop Pro, an advanced photo-editing software for Windows, developed and sold by Corel Corporation.
A .psb files contain sunburst preset data, essentially settings for photos.
As far as we know, you can use this file type only in Corel PaintShop Pro.
Preset data files are not meant to be converted to anything else, they are essentially settings.
Software apps that manage or store settings in psb files:
Microsoft Windows
File type category:
Backup file
Date updated: August 3, 2018
The psb file extension is associated with the Navicat database manager and editor for Windows, Mac and Linux.
The .psb file stores backup of database (MySQL, PostgreSQL and SQLite), profile (MySQL, PostgreSQL and SQLite) or server (MySQL, PostgreSQL and SQLite).
Use Navicat to connect to a database server and then to open .psb backup files to import data into database from backup.
Probably cannot be converted to other formats.
Software applications that can open psb files:
Microsoft Windows
Apple macOS / Mac OS X
Software capable of saving psb files:
Microsoft Windows
Apple macOS / Mac OS X
Software apps that create psb files:
Microsoft Windows
Apple macOS / Mac OS X
Software apps that import psb files:
Microsoft Windows
Apple macOS / Mac OS X
Software apps that backup psb files:
Microsoft Windows
Apple macOS / Mac OS X
File type category:
Audio and sound file
Date updated: November 10, 2024
File extension psb is also related to Pinnacle sound software for sound banks. The .psb sound bank file is stored in 8 or 16-bits, mono or stereo sound format. Contains loops, names, instruments, drum-kits.
Use Awave Studio to open .psb sound bank files.
Audio files can be typically converted between various formats.
Software applications that can open psb files:
Microsoft Windows
Apps designed for playing psb files:
Microsoft Windows
File type category:
Text file
Date updated: July 13, 2025
File extension psb is associated with the PowerDivX multimedia player for Windows, used to playback movies stored in DivX video file format.
A .psb file stores subtitles in PowerDivX subtitles file format.
These subtitles were only meant for the old PowerDivX media player.
It may be possible that you can convert these subtitles to other similar format.
Programs for viewing psb files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
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