An fcat file extension is related to the Fact200 software for Windows.
FCAT file extension - Fact200 categories
What is fcat file? How to open fcat files?
File type specification:
The fcat file extension is associated with the Fact200, a software tool for Microsoft Windows operating system working as search client and a news feed reader.
The fcat file stores categories data used by Fact200 software.
This fcat 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.