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*Details: File format summary



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Name ESRI Attribute Index Files
Other names  
Identifiers PUID:  fmt/1696
Classification GIS
Description File generated by ESRI ArcGIS software. Found with ESRI Shapefile Header Index files, which have extension ain. Together they store the attribute index of the active fields in a table, or a theme’s attribute table.
Byte order  
Related file formats None.
Technical Environment  
Supported until  
Format Risk  
Developed by Esri / Esri
Supported by Esri / Esri
Source National Library of Australia / National Library of Australia
Source date 13 Jun 2022
Source description  
Last updated 13 Jun 2022
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