Use for questions about Outlook on the web, the web-based version of Microsoft Outlook used by organizations.

Outlook on the Web (formerly Outlook Web App and Outlook Web Access) is a web-based version of Microsoft Outlook, and is included in Exchange Server and Exchange Online (a component of Microsoft 365)

It can be freely accessed from any web browser whether inside or outside an organization's network, and includes a web email client, a calendar tool, a contact manager, and a task manager.

Reference: Outlook on the Web in Wikipedia