Files with hia file extension are related to the Spy-CD CD search databases.
HIA file extension - Spy-CD CD search database
What is hia file? How to open hia files?
File type specification:
The hia file extension is associated with the Spy-CD, a full text search engine application for Microsoft Windows operating system.
The hia file contains saved search results.
Spy-CD is discontinued product.
This hia file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.