What is the difference between .psb and .brf?
- Extension
 - .psb
 - .brf
 
- Format
 - Binary
 
- Category
 - Raster Image
 - Other
 
- Developer
 - Adobe Systems
 - Duxbury Systems
 
- Description
 - Format used for saving large Photoshop documents over 30,000 by 30,000 pixels in size; supports images up to 300,000 by 300,000 pixels; to enable .psb support, check the "Enable Large Document Format" within the File Handling pane of the Photoshop Preferences window
 - BRF files are braille formatted files that have plain texts with hard page ejects and hard returns. They are non-proprietary standard files for sighted viewing and related to Duxbury Braille Translator.
 
- MIME Type
 - image/vnd.adobe.photoshop
 - text/plain
 
- Sample
 - sample.psb
 - sample.brf
 
- Wikipedia
 - .psb on Wikipedia