APPX File - opening and understanding

Did your computer fail to open an APPX file? We explain what they are used for and recommend software that we know can open or otherwise handle your .APPX files.

What is an APPX file?

An .APPX file is a Microsoft Windows AppX package file. Through our analysis of APPX files, we know that one use of the format is Microsoft Windows AppX package. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open APPX files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension APPX for different purposes.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Suggest another file format using extension APPX

While we know of one file format using the .APPX file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .APPX file.