.MSI File Extension

File Type:
Windows Installer Package

Having trouble opening .msi extension? Don't panic! This page explains what msi files are as well as suggests programs you may use to open msi files. You can download these programs through this page.

What is a MSI file?

Msi file extension has Windows Installer Package file type, developed by Microsoft, which is associated with the "misc files" category.

Installer package provides installation data that has to do with a specific installer. The file can be applied for third-party software installers and Windows updates as well. Users can easily access the contents of an MSI package via a file decompression utility. The file may use the .MSU extension in Windows Vista for installing hotfixes and updates for the system.

To learn how you can open the given file, read the information below.

msi file icon
File Type:
Windows Installer Package
Misc Files

How to open MSI file?

Double click the msi file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .msi extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the msi extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the msi file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open MSI files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the msi file as well. Download Universal File Viewer for your OS.

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