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This package was approved as a trusted package on 8/7/2019.

LessMSI is a utility with a graphical user interface and a command line interface that can be used to view and extract the contents of an MSI file. For Windows. Usage on the command line: lessmsi x msiFileName [outDir]

To install LessMSI, run the following command from the command line or from PowerShell:

C:\> choco install lessmsi

To upgrade LessMSI, run the following command from the command line or from PowerShell:

C:\> choco upgrade lessmsi


  • tools\chocolateyInstall.ps1 Show
    try {
    	$theFile = Join-Path $(Split-Path -parent $MyInvocation.MyCommand.Definition) "AddWindowsExplorerShortcut.exe.ignore"
    	#Write-Host "Creating " $theFile
    	New-Item $theFile -type file
    	$zipFile = Join-Path $(Split-Path -parent $MyInvocation.MyCommand.Definition) ""
    	$toolsDir = (Split-Path -parent $MyInvocation.MyCommand.Definition)
    	Get-ChocolateyUnzip -FileFullPath "$zipFile" -Destination $toolsDir
    } catch {
    	throw $_.Exception
  • tools\ Show
    md5: D52F8AE89AC65F755C28A95C274C1FFE | sha1: 50D581469FF0648EE628A027396F39598995D8B0 | sha256: 2F9A9DFD0C0B0CFAF9C700B4659A4F2F3D11368E6C30A3FA0F93ECDD3B4D2E66 | sha512: B7B585EED261C262499C73688DFD985818F7869319285168AEEAC1F2CF5FAD487280FCAE1DAC633296E5DB0E0BC454495A09A90C2E37A7E7AF07EF93563503C6
  • tools\LICENSE
  • tools\VERIFICATION.txt Show
    This package is published by the author and this file is here only because chocolatey requires it as described at

Virus Scan Results

In cases where actual malware is found, the packages are subject to removal. Software sometimes has false positives. Moderators do not necessarily validate the safety of the underlying software, only that a package retrieves software from the official distribution point and/or validate embedded software against official distribution point (where distribution rights allow redistribution).

Chocolatey Pro provides runtime protection from possible malware.


This package has no dependencies.

Package Maintainer(s)

Software Author(s)

  • Scott Willeke


Release Notes

Version History

Version Downloads Last updated Status
LessMSI 1.6.3 47548 Wednesday, November 21, 2018 approved
LessMSI 1.6.2 51 Friday, November 23, 2018 approved
LessMSI 1.6.1 86688 Thursday, April 13, 2017 approved
LessMSI 1.6.0 3339 Monday, March 13, 2017 approved
LessMSI 1.5.1 7147 Monday, December 5, 2016 approved
LessMSI 1.5 212 Monday, December 5, 2016 approved
LessMSI 1.4 26436 Friday, November 6, 2015 approved
LessMSI 1.3 29721 Tuesday, March 24, 2015 approved
LessMSI 1.2.0 1962 Wednesday, September 17, 2014 approved
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Discussion for the LessMSI Package

Ground rules:

  • This discussion is only about LessMSI and the LessMSI package. If you have feedback for Chocolatey, please contact the google group.
  • This discussion will carry over multiple versions. If you have a comment about a particular version, please note that in your comments.
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  • Tell us what you love about the package or LessMSI, or tell us what needs improvement.
  • Share your experiences with the package, or extra configuration or gotchas that you've found.
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