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Format

Microsoft Excel Non-XML Binary Workbook

Summary

Name
Microsoft Excel Non-XML Binary Workbook
Version
2007 onwards
Identifiers
  • MIME: application/vnd.ms-excel.sheet.binary.macroEnabled.12
  • PUID: fmt/595
Format type
Spreadsheet
Description
From Microsoft Office 2007 onwards, the core output format of MS Excel has been based on the Office Open XML (OOXML) file format. The ISO standard for OOXML is ISO/IEC DIS 29500. An OOXML file format consists of a compressed zip archive that is designated according to which file type it is. Further detail on OOXML can be found within fmt/189 - Microsoft Office Open XML.
File extensions
xlsb
Source
Digital Preservation Department / The National Archives
Developed by
Microsoft Corporation
Supported by
Microsoft Corporation

Relationships

Is subtype of

Container signatures

Type: ZIP

2070 - Microsoft Excel Non-XML Binary Workbook(big endian)

File path
[Content_Types].xml

Byte sequence reference

BOFoffset

Sub sequences
Min Frag Length
Position
1
Sub sequence min offset
0
Sub sequence max offset
4096
Sequence
'ContentType="application/vnd.ms-excel.sheet.binary.macroEnabled.main"'

Changelog

  • Updated in V73

    Release date
    27 February 2014

    Microsoft Excel Non-XML Binary Workbook (big endian): Name updated and container signature edited

  • Added in V72

    Release date
    12 November 2013

    Microsoft Excel Binary Workbook 2007 onwards: Container signature developed through PRONOM Research at request of the Central Digital Archive of Slovakia.

    Microsoft Excel Binary Workbook 2007 onwards: Outline Entry Added.