Identify, Fix and open files which Microsoft Windows can't open

Open MSI file extension

File Type: (Plugin file)

Compatible with (WinXP, Vista and Win7)

Home Find file extension (eg.: .doc,.png)

File extension errors generally occur when the appropriate program is not installed in your system or your registry may be corrupt. You can either

Notes about the .MSI file extension:

.MSIThe Microsoft Installer software is an engine for software installations and maintenance of software on Microsoft Windows systems. Now, Microsoft Installer has switched to the "Windows Installer”. Microsoft renamed the installer's name, but the file extension is still remained the same "MSI" to avoid confusion. File extension errors generally occur when the appropriate program is not installed in your system. Scan your system to identify and fix MSI file extension errors.

Trouble opening MSI files on Microsoft Windows?
Advanced File Optimizer
Need help opening a MSI file? Advanced File Optimizer will do this for you. Opening a MSI file only takes a few clicks and is very easy, even for novice users.
Compatible with Window XP, Vista, 7, 8, 8.1 and 10

Detailed information for file extension MSI :

Primary association: Windows Installer File

Company: Microsoft Corporation

Mime type: application/x-ole-storage, text/mspg-legacyinfo

Identifying characters Hex: D0 CF 11 E0 A1 B1 1A E1 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3E 00 03 00 FE FF 09 00 06

Program ID: Msi.Package

Reference: MSI on Wikipedia , view more extensions

Related links: How to Create an MSI Package ,MSI Packaging Tools

File type MSI's association with other applications are:

  • Cerius2 by Accelrys Software Inc.

    Cerius2 provides tools for applications in life and materials science modeling and simulation. The identifying characters used for this association are - Hex: 23 20 , ASCII: #

  • TruNEST (Nesting Data) by Magestic Systems, Inc.

    TruNEST is a nesting program for laying out parts on sheets. These layouts are used in controlling NC machine tools.This extension has been used by Magestic Systems since 1992. The extension is also used by the Magestic product TruPART. This association is classified as CAD/CAM. The Mime types used with this association are: application/trunest. Program ID: MSIfile

Download MSI file fixer tool now

Comments on "How to open MSI File"


I am very delighted to have this's really a fast, efficient and safe solution to rid your File extension errors forever!


Hey! I am grateful to you guys to make available this wonderful software for free... I was facing some File extension problems for a long time...literally faded up...then found File extension fix application from this site and error disappear... really cool:)


This program made my computer run much faster than ever.


It is the best and most effective product to fix error, I have ever use...highly recommended!!

Ben Aldrin

Thank you man it works

Mark Thomas

I had bugged for couple of months with a Windows pop up on my system telling me it can't find this file...installed this amazing software and fix this problem. Now my system working perfectly again!

Click here to open .MSI file extension now

Start Download

Leave a Comment

Your Name

Your Email Address (will not show)


(comments are moderated)
Untitled Page
How to open RAR File | How to open ISO File | How to open TORRENT File | How to open ZIP File
How to open ALL File | How to open MP4 File | How to open MP3 File | How to open AVI File
How to open PDF File | How to open JPG File | How to open DOCX File | How to open BIN File
How to open HTML File | How to open JAR File | How to open PST File | How to open LOG File
How to open XML File | How to open ASP File | How to open JAVA File | How to open C File
How to open MOV File | How to open ZIPX File | How to open XLSX File | How to open MKV File
How to open WIN File | How to open SQL File | How to open MAP File | How to open AIR File
How to open H264 File | How to open GIF File | How to open M4V File | How to open AAC File
How to open MPEG File | How to open M4A File | How to open EML File | How to open PNG File