Microsoft Business 365 Basic

Microsoft Exchange Online is a hosted messaging solution that delivers email, calendar, contacts, and tasks from PCs, the web, and mobile devices. Organizations that subscribe to Exchange Online retain control over the messaging services they offer to users. These servers are housed in Microsoft datacenters and are accessible to users on a wide range of devices from inside a corporate network or over the Internet.

SharePoint in Microsoft 365 helps organizations share and manage content, knowledge, and applications to empower teamwork, quickly find information and seamlessly collaborate across the organization

Microsoft Teams is the hub for teamwork in Microsoft 365. The Teams service enables instant messaging, audio and video calling, rich online meetings, mobile experiences, and extensive web conferencing capabilities. In addition, Teams provides file and data collaboration and extensibility features, and integrates with Microsoft 365 and other Microsoft and partner apps.

OneDrive is the Microsoft cloud service that connects you to all your files. It lets you store and protect your files, share them with others, and get to them from anywhere on all your devices. When you use OneDrive with an account provided by your company or school

Windows Live Office was a Web-based version of Microsoft's popular office suite. Although it was not as complete as its desktop counterpart, it did provide a handy way to manage documents online. The service was supported in 25 languages and needed Web access and a compatible browser interface.