How to open ArcView attribute index .ain files
Have you had trouble opening the ain file on your computer? What are ain files? We explain what they are and recommend software that we know will open them.
What is ain file?
An ain file extension is related to ArcView and used for attribute index files.
ArcView attribute index description
The ain file extension is used for attribute files for ArcGIS for Desktop (also known as ArcView).
Attribute store non-spatial information about a geographic feature in a GIS, usually stored in a table and linked to the feature by a unique identifier. For example, attributes of a river might include its name, length, and sediment load at a gauging station.
Suggested software to open ain file

ArcGIS for Desktop Basic (ArcView)
A GIS application used to work with geographic data
There are other AIN filename extensions with the same .ain suffix
ain - AIN compressed file archive
An ain file extension is related to the AIN compressed file archive format.
ain - NovaLogic game AI coordinates file
The AIN file extension is related to the Voxel Space Engine from NovaLogic and used for its AI coordinates files.
ain - Source engine compiled AI nodegraph
An ain file extension is related to the Source video gaming engine and used for its compiled AI nodegraph data.