File Extension Library


.XFSF File Extension

  • Developer by: RiseFly Software
  • Category: Settings, options, themes or skins Files

What are .XFSF files and how to open them?

Can't open .XFSF file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .XFSF file.

What is a .XFSF file extension?

.XFSF file extension is created by RiseFly Software. .XFSF has been classified as Settings, options, themes or skins Files.

.XFSF is BestSync settings

The xfsf file extension is associated with the BestSync, a utility for file backup and synchronization, available for Microsoft Windows operating system.

The xfsf file stores settings for BestSync program.


How to open:

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:

As far as we know, this .xfsf 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.

How to fix problems with .XFSF files

  1. You need to update the application that you normally use to open .XFSF files. Only the latest version of the software supports the current .XFSF file format
  2. You need to check the .XFSF file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)