A .xapk file is ZIP compressed archive with Google Android apk file. That additionally contains obb (opaque binary blob) file related to application in apk file. xapk installation format was developed by APKPure. It is not official app distribution file format, but used by third-party Android application distribution services.
Because XAPK files are not standard app installer packages, you must install them manually or with an XAPK installer. For example, after downloading an XAPK file, you can install the app (the APK file stored in the package) to an Android device using the TarrySoft XAPK or APKPure installers.
That means, you can open xAPK file and view its content with any compression utility, which supports ZIP compression format. Files with XAPK extension may be used by programs distributed for Android, Windows platform.
Here are the steps on how to open and install an XAPK file on your phone: Go to the location of the XAPK file. Step 1: Once the XAPK file has finished downloading, go to File Manager (or File Explorer) and rename the extension to zip. Step 2: After that, long press on the file to decompress it and it will reveal two major files — an APK file and an Android folder.
XAPK format files are a derivative of APK files: files in which an application for Android are packaged. The XAPK format, a new style of file that also allows you to install applications and games on Android, is not an official format like the APK is, but is widely available on the internet and Android devices.