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

Details of extension .opax

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

Below, you can find answers to the following questions:

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

Microsoft Office User Settings File

The OPAX file is a Microsoft Office User Settings File. The Office Customization Tool (OCT) is part of the Office Setup program and is the recommended tool for most customizations.
Category: Configuration 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 .opax file extension. If you have helpful information about .opax extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Fly! RAW Image Opacity Data
Psion Organiser OPX Library
PAX Archive
Microsoft PowerPoint 2007 Add-in

The .opax filename extension is often given incorrectly!

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

ppax (1), opx (1), pax (1), opa (1)

Can't open a .opax file?

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

Windows can't open this file:

File: example.opax

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