Prerequisite
Admin account type is required to edit any employee details in your workspace.
Process
Navigate to the Employees tab on the left hand navigation
Select an employee you wish to archive
Click Archive User at the bottom of their profile.

Note: This will place their account as 'Archived' and stop any further email communication or in-app communication with the user. This user's employee profile card will be stored for record keeping as an Archived status and can be viewed at any time if the Archived filter is selected when viewing the employee list.