Microsoft Exchange Online Archiving for Exchange Online Customer relationship management (CRM) 1 license(s)

Microsoft Exchange Online is a cloud based messaging platform that delivers email, calendar, contacts, and tasks. Users with an Exchange Online license connect to Exchange Online through email and calendar clients like, Outlook desktop, Outlook on the web and Outlook mobile app to access email and collaboration functionality, including shared mailboxes, shared calendars and global address lists.

You get Exchange Online when you sign up for Microsoft 365 for business and Microsoft 365 for enterprise subscriptions.