The Dumontis License Manager (DLM) is a secure, macro‑free Excel add‑in that controls access to Excel-native Dumontis tools using Microsoft 365 authentication. It ensures only licensed users can open and use Dumontis workbooks.
Dumontis provides a growing collection of these applications—practical, field‑tested tools that support analysis, modelling, planning, and design across a wide range of environments. Together, they support end-users in putting structured methods to work in day‑to‑day operations.

This page is for procurement teams, vendor managers, legal reviewers, and compliance officers responsible for evaluating and approving vendors and solutions. These roles typically oversee supplier onboarding, contract validation, risk assessment, and alignment with internal purchasing policies.
The information provided here offers clarity on licensing, pricing, security, and contractual terms. It ensures that all stakeholders have the documentation and assurances needed to confidently introduce Dumontis and its solutions into their operational environment.