Facebook Windows Phone Xap [upd] Jun 2026

On the Windows Phone platform, a (eXtensible Application Package) is the standard file format used for distributing and installing applications. Much like an APK for Android, it contains all the necessary binaries and assets for the app.

For enthusiasts and preservationists keeping Lumia devices alive, the represents more than just a social media client—it is a piece of mobile history. While the official Microsoft Store for Windows Phone 8.1 has long been shuttered, the ability to sideload original application packages remains a core part of the legacy experience. Understanding the XAP Format Facebook Windows Phone Xap