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Format

AutoCAD Block Attribute Template

Summary

Name
AutoCAD Block Attribute Template
Identifiers
PUID: x-fmt/24
Description
AutoCAD Block Attribute Template file is used when extracting attribute information from a drawing which creates a text file for use with database software. Signatures based on v. 2005, 2006, 2008 versions. Any information which can help us expand these signatures would be valuable.
File extensions
blk
Source
Digital Preservation Department / The National Archives

Internal signatures

AutoCAD Block Attribute Template

Note
Absolute from beginning of file, magic bytes: …..ÿÿÿÿ………….AcDx

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
0001000000FFFFFFFF01000000000000000C02000000{1}41634478
Endianness
None

AutoCAD Block Attribute Template, BlockInfo

Note
Absolute from beginning of file, magic bytes: ……ÿÿ….CEattBlockInfo

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
01000000{1}00FFFF01000E004345617474426C6F636B496E666F
Endianness
None

Changelog

  • Added in V115

    Release date
    15 November 2023

    AutoCAD Block Attribute Template: Two new internal signatures and updated description. Submitted by The National Archives and Records Administration.

    AutoCAD Block Attribute Template: Signature researched and samples provided by The National Archives and Records Administration.

  • Updated in V83

    Release date
    17 December 2015

    AutoCAD Block Attribute Template: Added description.