Microsoft Power Apps portals login capacity add-on increases authenticated external sign-in capacity for your portal beyond the base allotment. Power Apps portals let you securely extend Dataverse data and business processes to partners, volunteers, and communities through a branded website. By default, each tenant subscription includes 100 daily external user logins per month; this add-on provides additional packs to meet higher demand and seasonal peaks. Nonprofit Staff Pricing makes scaling more affordable for eligible organizations. Apply add-ons to the same environment as your portal to ensure consistent user access and compliance. Combine with page views add-ons when needed. Manage usage and allocation in the Power Platform admin center for transparent monitoring, forecasting, and cost control.