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

Details of extension .ooxml

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

Below, you can find answers to the following questions:

  • What is the .ooxml file?
  • Which program can create the .ooxml file?
  • Where can you find a description of the .ooxml format?
  • What can convert .ooxml files to a different format?
  • Which MIME-type is associated with the .ooxml extension?
Office Open XML File .ooxml file icon

Office Open XML File

The OOXML file is an Office Open XML File. An OOXML file is essentially a container for one or more XML files, which can contain a diverse array of data types. It was developed by Microsoft for representing spreadsheets, charts, presentations and word processing documents.
Category: Data files
Application: Microsoft Office
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:

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

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

OXML 2.0 Data

The .ooxml filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

oxml (1)

Can't open a .ooxml file?

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

Windows can't open this file:

File: example.ooxml

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