Enterprise Licensing

    Licensing for OpenMSG Viewer

    Straightforward deployment without licence servers. Annual or perpetual, sized from 50 users to a whole campus.

    Enterprise

    Plans for teams & site deployments

    Volume licensing, silent deployment, and IT policy controls.

    Up to 50 Users

    Small Teams

    $450USD

    / year≈ $9.00 per user/yrall taxes excluded

    • Silent deploy via Intune or SCCM (MSIX)
    • Zero telemetry, attachment security, air-gapped support — Enterprise controls are GPO-configurable
    • Won't bloat FSLogix profiles on multi-session hosts
    • Honor-based licensing — no DRM servers to manage
    • Standard support & updates included
    Buy Now

    Up to 200 Users

    Mid-Market

    $900USD

    / year≈ $4.50 per user/yrall taxes excluded

    • Silent deploy via Intune or SCCM (MSIX)
    • Zero telemetry, attachment security, air-gapped support — Enterprise controls are GPO-configurable
    • Won't bloat FSLogix profiles on multi-session hosts
    • Honor-based licensing — no DRM servers to manage
    • Standard support & updates included
    Buy Now

    Up to 500 Users

    Large Enterprise

    $1,600USD

    / year≈ $3.20 per user/yrall taxes excluded

    • Silent deploy via Intune or SCCM (MSIX)
    • Zero telemetry, attachment security, air-gapped support — Enterprise controls are GPO-configurable
    • Won't bloat FSLogix profiles on multi-session hosts
    • Honor-based licensing — no DRM servers to manage
    • Standard support & updates included
    Buy Now
    Best Value for Large Deployments

    Unlimited Site License

    Campus & Global Deployments

    $2,500USD

    / yearUnlimited users · best per-seat valueall taxes excluded

    • Silent deploy via Intune or SCCM (MSIX)
    • Zero telemetry, attachment security, air-gapped support — Enterprise controls are GPO-configurable
    • Won't bloat FSLogix profiles on multi-session hosts
    • Honor-based licensing — no DRM servers to manage
    • Standard support & updates included

    Enterprise MSIX package

    Code-signed and ready for silent deployment via Intune, SCCM, or Group Policy.

    Standard business-hour support

    Email support with typical response within 1 business day.

    Updates included

    Annual plans include ongoing updates. Perpetual includes 12 months from purchase.

    Personal

    Free for personal use

    For individuals who just need to open MSG files. No account, no credit card, no subscription. Organisational use requires a licence — see the plans above.

    $0from the Microsoft Store
    • Opens any .msg file instantly — even large ones
    • Full HTML email with embedded images and headers
    • View all attachments — names, sizes, and types
    • Save individual attachments to your device
    • Set as default .msg handler — double-click to open
    • Runs offline — email content never leaves your device

    Procurement FAQ

    Procurement & deployment questions

    Pricing shown in United States Dollars (USD); all taxes are excluded. Information on this page is general and is not tax, legal, or financial advice.