1. Remove the user's license from the MS365 Admin Center or by removing the user from the License group in Ad / EntraID.

  2. Navigate to this link to display all active users in the system.
    https://teamlandmark.crm.dynamics.com/main.aspx?forceUCI=1&pagetype=entitylist&etn=systemuser&viewid=00000000-0000-0000-00aa-000010001019&viewType=1039

  3. Select the users you want to disable, then click the Disable button in the ribbon.