File Extension Library

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.EFXT File Extension

  • Developer by: Microsoft Corporation
  • Category: Settings, options, themes or skins Files

What are .EFXT files and how to open them?

Can't open .EFXT 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 .EFXT file.

What is a .EFXT file extension?

.EFXT file extension is created by Microsoft Corporation. .EFXT has been classified as Settings, options, themes or skins Files.

.EFXT is Microsoft Office theme file

The EFXT file extension is associated with the Microsoft Office a package with word processor, spreadsheet editor, presentation editor, database creator and other software for Windows and Mac. The .efxt file stores theme settings.


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 .efxt 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 .EFXT files

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