How to open UWP App Installer file .appinstaller files
Have you had trouble opening the appinstaller file on your computer? What are appinstaller files? We explain what they are and recommend software that we know will open them.
What is appinstaller file?
Files with appinstaller extension can be found as one of the XML files from UWP app packages for Windows Store.
UWP App Installer file description
File extension appinstaller is used for one of the files from the UWP (Universal Windows Platform) installer packages. It is an XML file that defines where the app is located and how to update it. These files are made using MS Visual Studio.
Suggested software to open appinstaller file

Microsoft Visual Studio
IDE for creating programs, or websites and web applications