How to get started with Outlook Web App (OWA)?
Software | Microsoft Office
Outlook Web App (OWA) is the online version of the desktop e-mail, scheduling, and contact-management application. Outlook Web App includes four views: Mail, Calendar, Contacts and Tasks.
When you run Outlook Web App the first time, you see a dialog box that prompts you to specify the language and time zone you want to use.
To get started with Outlook Web App:
Sign in to the Office 365 portal.
On the home page, click "Outlook" at the top of the page.
Specify a language and time zone, and then click "OK".
Outlook Web App, OWA, Office 365, Microsoft Office