.FFO File Extension

Stores properties of documents found using Microsoft Find Fast; may include information such as the document's author and title; generated after performing a Find Fast search.

Typically named "Ffastun.ffo" and located in the root directory of a hard disk that has been indexed.

Metadata file created by older versions of Adobe Photoshop; stores file information such as the author, title, keywords, captions, categories, credits, and history; allows users to track file information.

Photoshop can still specify file information using the File Info window, which can be opened by selecting File → File Info.... In this window, you can import and export file information using .XMP files (Extensible Metadata Platform files).