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| Name | PSB |
| Full name | PhotoShop Big |
| File extension | .psb |
| MIME type | |
| Developed by | Adobe |
| Type of format | |
| Description | PSB is a file extension for an image file used by Adobe Photoshop. PSB files are a large document format similar to a PSD file but for a larger image size. The largest image size supported by a PSD file is 30 000 by 30 000 pixels. |
| Technical details | |
| Associated programs | GiMP, Adobe Illustrator, Adobe Premiere Pro |
| Wiki | https://en.wikipedia.org/wiki/Adobe_Photoshop |