When downloading from GitHub, verify that the repository is legitimate and contains the expected files. Always scan downloaded executables with antivirus software before running them. Never download WSAppBak from unofficial file‑sharing sites, where malware‑infected versions may be circulated.
If you have a legitimate need to back up or repackage a Windows Store app, WSAppBak is a capable tool. Use it responsibly, respect software licensing, and understand that with great packaging power comes great responsibility.
You need to take ownership of the folder.
Enable on your target Windows operating system. Go to Settings > Update & Security > For Developers , and switch the toggle to allow sideloading of unsigned packages. Step 2: Extracting the Application Can't find Microsoft Store app wsappbak
Find the specific folder of the app you wish to backup (e.g., Microsoft.WindowsCalculator_... ).
If you want to explore more about managing modern Windows infrastructure or require assistance with specific error codes while repacking packages, let me know. I can provide for package registration or explain how to configure custom developer certificates for your repacked apps. Share public link
As Windows has evolved, the effectiveness of WSAppBak has faced several hurdles. License Server Deprecation: When downloading from GitHub, verify that the repository
However, there is one scenario where you should : If you just installed a Windows update yesterday and your computer has been crashing non-stop. In that specific case, that backup could allow you to roll back. But for 99% of users? It’s safe to remove.
| File Name | Purpose | Safe to Delete? | |-----------|---------|-----------------| | wsappbak | Windows Store app backup (USB media) | Yes | | $WINDOWS.~BT | Temporary Windows Update/Upgrade files | Yes, after upgrade | | *.tmp | Generic temporary file | Usually yes | | pagefile.sys | Virtual memory paging file | No (on system drive) | | hiberfil.sys | Hibernation state file | Only if you disable hibernation |
[Target App Folder] ──> [WSAppBak Parses AppxManifest.xml] │ ▼ [Extracts Identity & Metadata] │ ▼ [Triggers MakeAppx.exe Core Processes] ──> [Outputs .appx File] If you have a legitimate need to back
At its core, WSAppBak is a Windows application primarily designed to create backups of installed Windows Store apps and repackage them into installable APPX files. However, the community has found a far more potent (and controversial) use for it: cracking paid Windows applications. Described by some sources as a "powerful and user-friendly WinUI 3 Windows application designed to crack paid Windows Application," WSAppBak allows users to bypass Microsoft Store licensing checks.
| Switch | Description | |-----------------|-----------------------------------------------------------------------------| | /backup | Perform a backup (required). | | /target | Output directory for backup files. | | /package | (Optional) Specific package family name. Omit to back up user apps. | | /noprogress | Suppress progress display. | | /v | Verbose logging. |
Many classic Microsoft Metro UI apps—such as vintage MSN Weather, Sports, or Bing travel hubs—have had their server backends shut down or pulled entirely from newer versions of the Microsoft Store. Retro enthusiasts on platforms like the r/Windows8 Subreddit use WSAppBak to extract legacy formats, inject community-run API endpoints, repackage them, and bring functional Live Tiles back to older operating systems. Creating AppxBundles
Originally developed by Kiran Murmu and later maintained through various GitHub projects , WSAppBak allows users to extract the contents of the protected C:\Program Files\WindowsApps directory and convert them back into installable packages. This is particularly useful for: