Free tools

Free Microsoft licensing tools

Each tool does one licensing job in your browser. None asks you to sign in or touches your tenant, and each says where its answers come from.

Tenant lookup

Tenant ID, domains and sign-in setup for any organization.

Open the tool
You enter
A domain, an email address, an Azure subscription ID or a tenant name.
Answers come from
Microsoft public sign-in configuration, Azure Resource Manager and public DNS.
Last checked
29 Oct 2026

Microsoft 365 plan matrix

Compare 27 Microsoft 365 plans, feature by feature.

Open the tool
You enter
Nothing. Pick the plans you want side by side.
Answers come from
Microsoft Modern Work Plan Comparison documents, published 1 October 2026.
Last checked
29 Oct 2026

Microsoft 365 plan chooser

Seven questions to the Business or enterprise plan that fits.

Open the tool
You enter
How many people, which apps, where email lives and how much security you need.
Answers come from
Microsoft plan comparison documents, the same data as the plan matrix, and US list prices.
Last checked
30 Oct 2026

Windows Server calculator

Core licenses, packs and CALs for Windows Server 2025.

Open the tool
You enter
The processors, cores and Windows Server VMs of each server, and who connects to them.
Answers come from
Microsoft Windows Server 2025 licensing guidance and suggested retail prices.
Last checked
30 Oct 2026

SQL Server calculator

Per core, per VM or Server + CAL, for SQL Server 2025.

Open the tool
You enter
Each server or host, the SQL Server VMs on it, the edition and the users.
Answers come from
Microsoft SQL Server 2025 licensing guidance and estimated retail prices.
Last checked
30 Oct 2026

Microsoft licensing changes

Price changes, retirements and new offers from Microsoft, in one list.

Open the tool
You enter
Nothing. Filter by product, program, source or date, or follow any view by RSS.
Answers come from
Message Center (via the Message Center Archive), Partner Center, Product Terms, Volume Licensing Central, Azure updates, the Microsoft 365 roadmap and Microsoft blogs.
Last checked
Shown at the top of the page
The tools use public data. The scan uses yours.The free savings scan reads your licenses with read-only access and shows what you can stop paying for.

Is there a licensing job you would like a tool for? Tell us at support@sentsai.com.