File Extension Library

.MSI File Extension

  • Developer by: Microsoft
  • Category: Misc Files
  • Format: Binary

What is an .MSI file?

.MSI file extension is created by Microsoft. .MSI has been classified as Misc Files. The format of .MSI file is Binary.

.MSI is Windows Installer Package

An MSI file is a package that contains installation information for a particular installer, such as files to be installed and installation locations. It may be used for Windows updates as well as third-party software installers.

The contents of an MSI package may be extracted using a file decompression utility like 7-Zip.

NOTE: In Windows Vista, .MSU files are used to install system updates and hotfixes.

List of all softwares that can open the Windows Installer Package
Microsoft Windows Installer

How to Open .MSI file on different platforms

Open .MSI File on Windows

  • Right-click a .MSI
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .MSI file and Select check box "Always use this app to open .MSI files" Press "Ok"

Open .MSI File on Mac

  • Right-click (or Ctrl + Left-click) the .MSI file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .MSI File on Linux

Right click on the .MSI file, choose "Open with" and select a program from the list above

Open .MSI File on iPhone

Select a file. If you don't see an application to open the .MSI file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .MSI File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .MSI files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .MSI files

  1. You need to update the application that you normally use to open .MSI files. Only the latest version of the software supports the current .MSI file format
  2. You need to check the .MSI file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)