Overview

The Microsoft 365 Assessment tool is a downloadable executable that can be used to assess your tenant for an adoption scenario or for a retirement/deprecation scenario. How you use the Microsoft 365 Assessment tool is similar for all use cases, the generated output however will differ depending on the use case. The basic steps to use the Microsoft 365 Assessment tool are these:

Step	Description
Download the tool	Download the the Microsoft 365 Assessment tool for the OS you're using. The assessment tool versions can be found in the releases folder
Configure authentication	Setup an Entra application that can be used to authenticate the Microsoft 365 Assessment tool to your tenant
Run an assessment	Use the Microsoft 365 Assessment tool CLI to run an assessment: microsoft365-assessment.exe --help will show the available commands