Signed-in users can also find this guide, with screenshots, under Help in the app.
When someone leaves, mark them as moved out instead of deleting them. Their history stays, and their access stops.
Open Residents & units and select the Residents tab.
Select Move out on the resident's row.
Confirm. Their portal access ends, their vehicles stop counting as resident vehicles and their unused guest links stop working.
Read the message at the top. It says how many vehicles, guest links and pending requests were cleaned up.