Format
Microsoft Excel for Windows
Summary
- Name
- Microsoft Excel for Windows
- Version
- 2007 onwards
- Identifiers
-
- MIME: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
- PUID: fmt/214
- 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.
- Format encoding
- Text
- File extensions
-
xlsx - Submitted by
- Digital Preservation Department / The National Archives
- Developed by
- Microsoft Corporation
- Supported by
- Microsoft Corporation
Relationships
- Has lower priority than
- Is supertype of
Container signatures
Type: ZIP
2030 - Microsoft Excel OOXML
- 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
- 40000
- Sequence
'ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml"'
Type: ZIP
2040 - Microsoft Excel OOXML (little 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
- 32768
- Sequence
'C'00 'o'00 'n'00 't'00 'e'00 'n'00 't'00 'T'00 'y'00 'p'00 'e'00 '='00 '"'00 'a'00 'p'00 'p'00 'l'00 'i'00 'c'00 'a'00 't'00 'i'00 'o'00 'n'00 '/'00 'v'00 'n'00 'd'00 '.'00 'o'00 'p'00 'e'00 'n'00 'x'00 'm'00 'l'00 'f'00 'o'00 'r'00 'm'00 'a'00 't'00 's'00 '-'00 'o'00 'f'00 'f'00 'i'00 'c'00 'e'00 'd'00 'o'00 'c'00 'u'00 'm'00 'e'00 'n'00 't'00 '.'00 's'00 'p'00 'r'00 'e'00 'a'00 'd'00 's'00 'h'00 'e'00 'e'00 't'00 'm'00 'l'00 '.'00 's'00 'h'00 'e'00 'e'00 't'00 '.'00 'm'00 'a'00 'i'00 'n'00 '+'00 'x'00 'm'00 'l'00 '"'00
Type: ZIP
2050 - Microsoft Excel OOXML (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
- 32768
- Sequence
00'C' 00'o' 00'n' 00't' 00'e' 00'n' 00't' 00'T' 00'y' 00'p' 00'e' 00'=' 00'"' 00'a' 00'p' 00'p' 00'l' 00'i' 00'c' 00'a' 00't' 00'i' 00'o' 00'n' 00'/' 00'v' 00'n' 00'd' 00'.' 00'o' 00'p' 00'e' 00'n' 00'x' 00'm' 00'l' 00'f' 00'o' 00'r' 00'm' 00'a' 00't' 00's' 00'-' 00'o' 00'f' 00'f' 00'i' 00'c' 00'e' 00'd' 00'o' 00'c' 00'u' 00'm' 00'e' 00'n' 00't' 00'.' 00's' 00'p' 00'r' 00'e' 00'a' 00'd' 00's' 00'h' 00'e' 00'e' 00't' 00'm' 00'l' 00'.' 00's' 00'h' 00'e' 00'e' 00't' 00'.' 00'm' 00'a' 00'i' 00'n' 00'+' 00'x' 00'm' 00'l' 00'"'
Changelog
-
V89
- Release date
- 8 March 2017
-
Updated
Microsoft Excel for Windows: Adjusted container signature due to findings found through PRONOM Research.
-
V72
- Release date
- 12 November 2013
-
Updated
Microsoft Excel for Windows: Corrected MIME type information provided by the Central Digital Archive of Slovakia.
-
V70
- Release date
- 28 August 2013
-
Updated
Microsoft Excel for Windows 2007 onwards: Added MIME type.
-
V67
- Release date
- 26 February 2013
-
Updated
Microsoft Excel for Windows 2007 Onwards: Improved descriptive information at suggestion of Chris Rusbridge, linking this entry explicitly to fmt/189 - Microsoft Office Open XML.
-
V62
- Release date
- 28 August 2012
-
Updated
Microsoft Excel 2007 onwards: Renamed as Office 2010 files use same OOXML structure as 2007.
-
V60
- Release date
- 11 June 2012
-
Updated
Excel for Windows 2007: Container signature statement added to record notes.