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lessmsi

v2.12.9
Scott Willeke

A tool to view and extract the contents of an Windows Installer (.msi) file.

Open source MIT Security 67 Health 60
Windows

Download

Choose the file for your device below.

Download for Windows

ZIP · any · — — from github.com

SHA-256 checksum available

Update confidence: High

Latest release 2.12.9

Several positive signals and no warning.

  • Released days ago: 212.
  • No newer version was withdrawn.
  • Every file has a checksum published by the publisher.
  • Signatures could not be checked.
  • No open report about this release.
  • No vulnerability feed for this software.
  • Based on stored facts about this release; it is a guide, not a guarantee.
Watch Compare Add to plan
Latest
2.12.9
Licence
Open source
Verification
SHA-256
Platforms
Windows

About ⁨lessmsi⁩

This 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.
Platforms
Windows
Licence
Open source (MIT) — source code is public under an open-source licence; free to use, study and share.

Official downloads

Version 2.12.9 · released 2 April 2026 · via the WinGet repository

Release source
FileSizeVerification
Windows · any · ZIP Best for you
lessmsi-v2.12.9.zip — github.com
 —
5b4e187e74b184ad3a63ccf06c3d17dae2b8c4b6c298a996dbd51a9f6db29d21
SHA-256 · published by the publisher / package manifest
Scan pending Signature not verified
Download Not scanned

Clicking “Download” takes you straight to the file on the publisher's official server. Verify the SHA-256 before running it: on Windows «Get-FileHash file», on macOS / Linux «shasum -a 256 file».

Install guide

The best way to install, update and remove this program on your system, from the official source.

Windows
RecommendedWinGet
Source: winget community repository (Microsoft)
Install
winget install --id activescott.lessmsi --exact --source winget
Update
winget upgrade --id activescott.lessmsi --exact --source winget
Remove
winget uninstall --id activescott.lessmsi --exact
AlternativeChocolatey
Source: community.chocolatey.org
Install
choco install lessmsi -y
Update
choco upgrade lessmsi -y
Remove
choco uninstall lessmsi -y

Chocolatey community packages are maintained by volunteers; WinGet is preferred when available.

Security & project health

Trust Network profile of lessmsi: verified levels 2 of 5

Security

67

How trustworthy the source and files are: verified publisher, checksums, HTTPS, official host, signature, scan, links and known vulnerabilities.

  • Verified publisher0/20
  • SHA-256 checksums15/15
  • HTTPS downloads10/10
  • Official download host10/10
  • Code signature5/10
  • File scan7/15
  • Working links5/5
  • No open vulnerabilities15/15

Health

60

Is the project alive? Release recency and cadence, community, maintenance status and data completeness.

  • Recent release18/35
  • Releases in the last 12 months10/20
  • Community10/20
  • Actively maintained15/15
  • Complete information7/10

Known vulnerabilities

Vulnerability tracking is not configured for this program yet.

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