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*Details: File format summary

   
 

 

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Summary

Name XLSX Strict OOXML Spreadsheet
Version 2007 onwards
Other names  
Identifiers MIME:  application/vnd.openxmlformats-officedocument.wordprocessingml.document
Library of Congress Format Description Identifier:  fdd000401
PUID:  fmt/1828
Family  
Classification Spreadsheet
Disclosure  
Description XLSX Strict is the implementation of the Office Open XML spreadsheet format that strictly conforms to the ISO 29500-1: 2008-2016 standard.
Orientation  
Byte order  
Related file formats Has priority over Microsoft Excel for Windows (2007 onwards)
Technical Environment  
Released  
Supported until  
Format Risk  
Developed by Microsoft Corporation
Supported by Microsoft Corporation
Source Danish National Archives / Danish National Archives
Source date 14 Feb 2023
Source description This format can be identified via a container signature in DROID version 6 or later. The PRONOM database cannot currently represent container signatures.
Last updated 14 Feb 2023
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