.OPAX File Extension

Microsoft Office User Settings File

Developer Microsoft
2.6  |  10 Votes

What is an OPAX file?

Holds language neutral resources used by the Office Customization Tool (OCT) to create a custom installation of Microsoft Office; contains user created default settings including default font, font-size, and caching options;

More Information

.OPAL is the language specific counterpart to the OPAX file. These two files are used by OCT to create .MSP setup files that will be used to install the customized Microsoft Office.

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Programs that open or reference OPAX files

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