Makeappx.exe - Download

To extract all files from an .msix file back into a folder:

makeappx.exe unpack /p C:\MyApp.msix /d C:\ExtractedApp

Important: You cannot simply download makeappx.exe from a random DLL website. Those files are often outdated, infected with malware, or illegal to redistribute. Always obtain makeappx.exe directly from Microsoft.

Here are the three official methods to get the tool. download makeappx.exe

Once you have makeappx.exe, you typically need to sign the package with a certificate. Use signtool.exe (also part of the Windows SDK):

signtool sign /a /fd SHA256 /f MyCert.pfx /p MyPassword MyApp.msix

For automation (e.g., in a build script), you can call makeappx.exe from: To extract all files from an

Example PowerShell snippet:

$makeappx = "C:\Program Files (x86)\Windows Kits\10\bin\10.0.22621.0\x64\makeappx.exe"
& $makeappx pack /f mapping.txt /p output.msix

A quick Google search for “download makeappx.exe” will return dozens of sites like exe-download.com, dll-files.com, or dlldownloads.com. Do not use these. Important: You cannot simply download makeappx

These third-party sites often:

Only download from Microsoft domains: microsoft.com, windows.com, visualstudio.microsoft.com, or the official Microsoft GitHub repositories.