Files with FFX extension can be found and index files from Microsoft Office's Find Fast Indexer. Used to speed up loading of the Office files.

There is one other file type using
the FFX file extension!

ffx file icon.ffx - Adobe After Effects preset file

Detailed description

Software that works with ffx file extension

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FFX file extension - Find Fast Indexer index file

What is ffx file? How to open ffx files?

File type specification:

Various data file type icon Various data file type

ffx file icon: ffx filetype icon

The FFX file extension is mainly related to Microsoft Office's Find Fast Indexer. The Find Fast Indexer is a utility that builds indexes to speed finding documents from the Open dialog box in Microsoft Office programs and from Microsoft Outlook. When you install Microsoft Office, a shortcut to Find Fast is placed in your startup program group.

These .ffx files contains indexes of files found using the search feature.

Example: Ffastun.ffx

The default software associated to ffx file type:

Microsoft Outlook icon

Microsoft Corporation logo Microsoft Outlook  Microsoft Windows software

Company or developer:
  Microsoft Corporation

Microsoft Outlook is e-mail management tool and personal information manager distributed with Microsoft Office suite. Outlook integrates e-mail application, calendar, task manager, contact manager, note taking in to one application.

Microsoft Outlook is used as a stand-alone application and also can work with Microsoft Exchange Server and SharePoint Server.

The predecessor of Outlook was called Schedule+. The newest version is called Outlook 2016.

Help how to open FFX files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension FFX:

As far as we know, this .ffx file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

Related links:

Find Fast Indexer

List of recommended software applications associated to the .ffx file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open ffx file, edit ffx file, convert ffx file, view ffx file, play ffx file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • Others ffx file

Unspecified and all other actions for computer programs working with ffx file - Find Fast Indexer index file

Click on the software link for more information about Microsoft Outlook. Microsoft Outlook uses ffx file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

Main software associated with ffx file by default:
Microsoft Outlook small icon Microsoft Outlook
Other suggested software:
Microsoft Office small icon Microsoft Office

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