lessmsi

by Scott Willekev2.12.9

Last updated Jun 8, 2026

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

Install with winget

$ winget install --id activescott.lessmsi --exact --version 2.12.9

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

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About

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.

Installers · v2.12.9

Architecture	Type	Scope	Install	Download
neutral	ZIP archive	-		Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

No known CVEs for lessmsi.

Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.

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More from Scott Willeke or browse c-sharp, chocolatey, extract.

Frequently asked questions

How do I install lessmsi on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id activescott.lessmsi --exact --version 2.12.9. winget downloads the installer from Scott Willeke and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install lessmsi silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id activescott.lessmsi --exact 2.12.9 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

How do I uninstall lessmsi via winget?

Run: winget uninstall --id activescott.lessmsi --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from lessmsi's Apps & Features entry.

Is lessmsi free?

lessmsi is distributed under MIT. Refer to the publisher (https://github.com/activescott/lessmsi) for the full license terms - Wingetly itself does not charge for installation.

Does lessmsi work on Windows 10?

Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls lessmsi directly from the publisher.

How do I keep lessmsi up to date?

Run winget upgrade --id activescott.lessmsi --exact, or winget upgrade --all to update everything winget tracks. We index 10 versions of lessmsi from microsoft/winget-pkgs.

Recent versions

2.12.9latest
2.12.8
2.12.7
2.12.6
2.12.5
2.12.4
2.12.3
2.12.0
2.11.10
2.11.9