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MSI file extension

The table below provides useful information about the .msi file extension. It answers questions such as:

  • What is the .msi file?
  • What program do I need to open a .msi file?
  • How can the .msi file be opened, edited or printed?
  • How can I convert .msi files to another format?
  • Where can I find the specifications for .msi?
  • Which MIME-type is associated with the .msi extension?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.msi file extension details

Microsoft Windows Installer Package

.msi
Microsoft Windows Installer Package .msi file icon
Description:
MSI file is a Microsoft Windows Installer Package. The MSI package contains all the information that the Microsoft Windows Installer requires to install or uninstall software products.
Category: Archive files
Application: Windows Installer
Mime-type: application/x-msi
Magic number: -
Magic string: -
Sample: -
MSI aliases:
-
MSI related links:
-
MSI related extensions:
Compressed Microsoft Cabinet File

Microsoft Windows Installer Transform

Windows Software Installation Settings

Windows Installer Rollback Script

Microsoft Windows Installer Patch

InstallAnywhere.NET Project

Microsoft Windows Merge Module

Custom Maintenance Wizard Data

WiX Source File

WiX Include File

Other types of files may also use the .msi file extension.

.msi file extension error

The .msi file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

si, hsi, mzi, mwi, mso, msk, ms, mi, lsi, smi, jsi, nsi, mxi, msu, msl

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Alloy Blending System KSI Data
Mezzo Interface File
Microsoft Office Rendering Data
Autodesk 3D Studio Max Script
SAMI Captioning File
SAP Business Objects Local Security Information File
NSIS Script File
Microsoft Windows Vista Update Package
Affymetrix Mask File
SMILES Chemical Document
open .msi file

Can't open a .msi file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:

example.msi

To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .msi file association, check the FAQ.

.msi file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .msi file extension, write to us!

.msi file extension

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