Microsoft 365 Business Basic supports a maximum of 300 users Email and calendars Get a business-class email with Outlook, including a 50 GB mailbox per user, and send attachments of up to 150 MB. 1 TB of secure cloud storage per user Get 1 TB of OneDrive cloud storage to edit and share documents, photos, and more from anywhere, on all your devices. Office apps on the web Use always up-to-date Word, Excel, PowerPoint, OneNote, and Outlook on the web. Instant messaging and online meetings Chat, meet and collaborate with Microsoft Teams. Combine messaging, voice calls, video calls, and availability in one app. Intranet and team sites Inform and engage your organization and connect people to content, knowledge, and processes with team sites through SharePoint. Tell your story with beautiful, easy-to-use sites.