FFX File Extension - Open .FFX files

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Common File Extensions

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.FFX File Extension

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File Type

Microsoft Find Fast Index

Category

System Files

Common?

File Description

Index of files searchable by Find Fast, a search program included with Microsoft Windows that allows for faster searches; often used to index all the files on a hard drive, though specific indexes can be created using the Find Fast Control Panel.

Typically named "Ffastun.ffo" and located in the root directory of a hard disk, network drive, or specific folder that has been indexed.

Program(s) that open ffx files

Windows

Microsoft Office programs

Microsoft Outlook