.MSI File

File extension: MSI

Do you have speed issues?
First check your registry for invalid entries.

Notes about the MSI file extension:

Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.

The MSI file type is primarily associated with 'Windows Installer File' by Microsoft Corporation. Associates components with features and contains installation control information. Note: This file type can become infected and should be carefully scanned if someone sends you a file with this extension.

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

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

Other applications associated with file type MSI:

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

'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database

Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.

Technical data

To view technical data on file-extension MSI click this link to expand/hide the additional area.

System Info for File Extension .MSI

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: Msi.Package, FileType: Windows Installer Package, AppName: Windows® installer
EXEFile: msiexec.exe

ProgramID: Msi.Package
EXEFile: %SystemRoot%2\System32\msiexec.exe /i %1 %*

ProgramID: Msi.Package
EXEFile: D:\WINDA\System32\msiexec.exe /i %1 %*

ProgramID: Msi.Package
EXEFile: %SystemRoot%\system32\msiexec.exe /i %1 %*

ProgramID: Msi.Package
EXEFile: %SystemRoot%\System32\msiexec.exe /i %1

Program Name and MIME Type Info for File Extension .MSI

FILExt has been given permission to display a Program Name/MIME type database collected by Anthony R. Nemmer. Some of this data has already been included into the main FILExt database. Those entries which have not yet been incorporated are displayed below.

Program Name Mime Type application/molecular-viewer text/mspg-legacyinfo text/mspg-legacyinfo

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