How to open .APPX file extension?

If you cannot open a new file that has been saved in the .APPX format you need to download the appropriate software. The manufacturer of .APPX files is Microsoft; .APPX files belong to the Developer Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .APPX files. Activities performed in the order described should solve the problems with all the files in the .APPX format.

• What is .APPX file?
• How to open .APPX file?
• What is .APPX file?