PC.net

.psb

File Type Photoshop Large Document Format IconPhotoshop Large Document Format
File Format Proprietary (Adobe Systems)
Usage Referenced by an application; not meant to be opened manually; may run a program or script when opened
Rank ★ ★ ☆  Average
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

Open With
Windows

IconAdobe Photoshop

macOS

IconAdobe Photoshop

Updated 2007
Information from the PC File Extensions Reference
https://pc.net/extensions/file/psb
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