Phone Xap Archive Full | Windows
How you install a .XAP file depends on whether your phone is "Interop Unlocked" or stock.
If you are building a collection, prioritize these specific XAP files, as they extend the functionality of the dead OS:
| Feature | XAP (WP7/8) | APPX (WP10/UWP) | CAB (WM 6.x) | |---------|-------------|----------------|--------------| | Archive base | ZIP | ZIP | Cabinet (MSCF) | | Manifest format | XAML (WMAppManifest) | AppxManifest.xml | .inf + .rgu | | Code type | .NET (Silverlight) / Native | .NET Native / C++ / JS | C/C++ native | | Sandboxing | Yes (caps based) | Yes (more granular) | Minimal | | Signature requirement | Mandatory (retail) | Mandatory | Optional | | Support for resources | RESX, loose files | PRI (packaged resources) | .dll resources | windows phone xap archive full
If you are building your own personal archive, ensure you have these five directories completed:
| Folder | Contents | Approx Size | | :--- | :--- | :--- | | System_XAPs | OEM drivers, Samsung/HTC/Nokia firmware helpers | 2 GB | | Game_XAPs | Gameloft titles (NOVA, Asphalt), EA Mobile, Xbox Live enabled | 25 GB | | Social_Media | Working versions of Facebook, Twitter, Telegram (deprecated) | 4 GB | | Productivity | Office lenses, Adobe suite, PDF readers, custom keyboards | 8 GB | | Homebrew_Tools | Registry editors, file managers, WP Interlop Unlock | 500 MB | How you install a
Despite the "Full" status, the archive is not future-proof without intervention.
| Risk | Severity | Recommended Action |
| :--- | :--- | :--- |
| Expired code-signing certs | High | Implement a "re-signing proxy" tool to strip original signatures and apply self-signed test certs. |
| XAP -> APPX conversion | Medium | Develop script to repackage XAPs into modern APPX for emulator use (Windows 11 Subsystem). |
| Proprietary DLL dependencies | Critical | Identify and document all Microsoft.Phone.* DLLs; bundle required runtime files with each XAP. |
| Missing store metadata | Low | Import backup of Windows Phone Store HTML (via Wayback Machine) into SQLite DB linked to XAP hashes. | If you are building your own personal archive,
| Property | Description |
|----------|-------------|
| File Extension | .xap |
| MIME Type | application/x-silverlight-app |
| Based On | ZIP (PKZIP 2.0) |
| Used By | Windows Phone 7, 8, 8.1 (also Silverlight for web, but diverged) |
| Compression | Deflate (typically no compression for certain files) |
| Max Size (WP8+) | 1 GB (initially 225 MB for WP7) |
The XAP format succeeds the older .cab-based installation method and precedes .appx / .appxbundle used in Windows Phone 10 / UWP.