Additional seats can be added to an active subscription plan to accommodate more team members, directly from the Billing page.
Steps to Add Seats
Navigate to Settings
Click the gear icon in the top navigation to open Settings.
Select "Billing"
From the side menu, select Billing.
Locate the Plan Section
Under Plan, the active plan is displayed along with the per-seat rate, total cost, current seat usage, and renewal date.
Click Add seats.
Specify the Number of Seats
Enter the number of additional seats required.
Confirm the purchase.
Once confirmed, the seat count and total billing amount update immediately, and the additional seats become available for team members.