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Format

Adobe Photoshop Large Document Format

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Summary

Name
Adobe Photoshop Large Document Format
Identifiers
  • PUID: fmt/996
  • MIME: image/vnd.adobe.photoshop
Format type
Image (Raster)
Description
Adobe Photoshop is a raster graphics editor developed and published by Adobe Systems. The Large Document Format supports documents of up to 300,000 pixels in any dimension as opposed to the PSD limit of 30,000 pixels.
File extensions
psb
Source
Digital Preservation Department / The National Archives
Developed by
Adobe Systems Incorporated
Supported by
Adobe Systems Incorporated

Relationships

Is subsequent version of

Internal signatures

Adobe Photoshop PSB

Note
BOF: '8BPS', version 2 (0x0002), 6 reserved null bytes https://www.adobe.com/devnet-apps/photoshop/fileformatashtml/

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
384250530002000000000000
Endianness
None

Changelog

  • Added in V90

    Release date
    30 March 2017

    Adobe Photoshop Large Document Format: Signature developed through PRONOM Research.

    Adobe Photoshop Large Document Format: Full entry added.