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    Download OpenMSG

    The fastest way to open MSG files on Windows. No Outlook required.

    Installs in seconds · No account needed · ~15 MB download

    Installation Guide

    Up and running in under 60 seconds.

    1

    Click "Get" on the Microsoft Store

    The download starts automatically.

    2

    Wait for installation

    It's under 15 MB, so it installs in seconds on most connections.

    3

    Open any .msg file

    Double-click a MSG file, or right-click → Open with → OpenMSG.

    4

    Read and review

    View the full email with headers, body, and attachment details — all instantly.

    Pro tip: Set as default

    Right-click any .msg file → Open with → Choose another app → Select OpenMSG → tick "Always use this app" to open MSG files automatically.

    System Requirements

    Operating System
    Windows 11 or Windows 10 (version 19041.0+)
    Processor
    x64
    Disk Space
    ~50 MB
    Dependencies
    None — fully standalone

    Start Opening MSG Files Now

    Download now. No account. No credit card.