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Format

Windows Bitmap

Summary

Name
Windows Bitmap
Version
3.0
Identifiers
  • Apple Uniform Type Identifier: com.microsoft.bmp
  • PUID: fmt/116
  • MIME: image/bmp
Format type
Image (Raster)
Description
This is an outline record only, and requires further details, research or authentication to provide information that will enable users to further understand the format and to assess digital preservation risks associated with it if appropriate. If you are able to help by supplying any additional information concerning this entry, please return to the main PRONOM page and select ‘Add an Entry’.
Format encoding
Binary
File extensions
dib, bmp
Submitted by
Digital Preservation Department / The National Archives

Relationships

Is previous version of
Is subsequent version of

Internal signatures

Windows Bitmap 3.0

Description
BITMAPFILEHEADER + BITMAPINFOHEADER structures

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
None
Byte Sequence
424D{12}28000000{8}0100(01|04|08|10|18|20)00(00|01|02)000000
Endianness
Little-endian

Changelog

  • V107

    Release date
    21 July 2022
    • Updated

      Windows Bitmap (3.0): Broadened signature. Submitted by The National Library of Australia.

  • V101

    Release date
    15 February 2022
    • Updated

      Windows Bitmap (Signature 3.0): Added the possibility of '10' at byte 28. Submitted by The National Library of Australia.

  • V84

    Release date
    21 January 2016
    • Updated

      Windows Bitmap 3.0: Updated signature based on observations by National Library of New Zealand.