Outlook is your email and calendar application. You can use Outlook online or as locally installed application on your laptop / PC.
Login to Outlook in the webbrowser
Login to the Microsoft 365 dashboard with your Accelerant account and choose the Outlook application form the applications menu. Or go to outlook.office.com to access Outlook directly.
Email, calendar and contacts

The menu on the left gives you acces to your email, calendar or contact list.