How to open .XAP file extension?

If you cannot open a new file that has been saved in the .XAP format you need to download the appropriate software. The manufacturer of .XAP files is Microsoft; .XAP files belong to the Executable 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 .XAP files. Activities performed in the order described should solve the problems with all the files in the .XAP format.