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Format

Microsoft Windows Enhanced Metafile

Download XML

Summary

Name
Microsoft Windows Enhanced Metafile
Version
1.0
Identifiers
  • MIME: image/emf
  • PUID: x-fmt/153
Format type
  • Image (Raster)
  • Image (Vector)
Description
The Enhanced Metafile format is a 32-bit format that can contain both vector information and bitmap information. This format contains extended features over the Windows Metafile Format, including built-in scaling information, and improvements in color palettes and device independence.
File extensions
emf
Source
Digital Preservation Department / The National Archives
Developed by
Microsoft Corporation
Supported by
Microsoft Corporation

Relationships

Is previous version of

Internal signatures

Microsoft Windows Enhanced Metafile 1.0 (Variation 1)

Note
Record Type EMR_HEADER (00000001h); Record Size (4 bytes) decimal 88; Bounds (16 bytes); Frame (16 bytes); at offset 40 signature (“EMF “); Version (00010000h); size of the metafile in bytes (4 bytes); number of records in the metafile (4 bytes); number of handles (2 bytes); reserved (2 bytes); nDescription--number of characters in the Description (32-bit integer) zero

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
None
Byte Sequence
0100000058000000{32}20454D4600000100{16}00000000
Endianness
None

Microsoft Windows Enhanced Metafile 1.0 (Variation 2)

Note
Record Type EMR_HEADER (01000000h); Record Size (4 bytes) greater than 88; Bounds (16 bytes); Frame (16 bytes); at offset 40 signature (“EMF “); Version (00010000h); size of the metafile in bytes (4 bytes); number of records in the metafile (4 bytes); number of handles (2 bytes); reserved (2 bytes); nDescription--number of characters in the Description (32-bit integer) greater than zero; offDescription—offset from the beginning of this record to the beginning of the description (32-bit integer) 88

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
None
Byte Sequence
01000000{36}20454D4600000100{16}58000000
Endianness
None

Changelog

  • Updated in V86

    Release date
    27 July 2016

    Microsoft Windows Enhanced Metafile 1.0: Adjusted MIME type from deprecated image/x-emf to image/emf, added description.

  • Added in V51

    Release date
    15 July 2011

    Microsoft Windows Enhanced Metafile 1.0: Record title updated to distinguish different versions.

    Microsoft Windows Enhanced Metafile 1.0: Signatures submitted by Georgia Tech Research Institute, USA.