What are Installer Files?

Windows Installer files are used by Microsoft's Windows Operating System for installing software. It is a package with installation information for a particular program and can be extracted using a file decompression tool. The package includes details about the files to be installed as well as the specific locations in the file system to be installed.

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MSI — Format: Binary
Developed by Microsoft, Windows Installer files are a type of database files of the “.MSI” extension and are mostly used for Windows Updates. However, they are also used sometimes by third-party software installers.

MSI Files are used for the installation, storage, and the removal of programs and are contained in the form of a package. They contain information about the application's features and components including the files, registry data, shortcuts and more. Moreover, the MSI packages also contains the UI that is required for the installation procedure.

Unless you write a program that installs itself, using MSI files is the only easy way of installing a program on Microsoft's Windows operating system.

What are Installer Files?

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File Database Breakdown - Installer File Extensions

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