Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .officeui

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .officeui file?
  • Which program can create the .officeui file?
  • Where can you find a description of the .officeui format?
  • What can convert .officeui files to a different format?
  • Which MIME-type is associated with the .officeui extension?
Microsoft Office UI Customization .officeui file icon

Microsoft Office UI Customization

The OFFICEUI file is a Microsoft Office UI Customization. The Microsoft Office Fluent User Interface (UI) includes the Ribbon and the Quick Access Toolbar. These items are customized by using XML.
Category: Configuration files
Application: Microsoft Office
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Microsoft Office Exported UI Customization

Other types of files may also use the .officeui file extension. If you have helpful information about .officeui extension, write to us!

Can't open a .officeui file?

If you want to open a .officeui file on your computer, you just need to have the appropriate program installed. If the .officeui association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.officeui

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android