SharePoint Online:: SPO

in plain english

Microsoft's intranet, document management, and team-sites platform — where organisations store internal pages, files, lists, and workflows. The storage backbone for OneDrive (your files) and Teams (team files). On-prem versions also exist (2013/2016/2019 SE) but most orgs are cloud-first.

official microsoft definition

A web-based collaborative platform that integrates with Microsoft 365 and is primarily used as a document management and storage system. Powers intranet sites, team sites, and provides the foundation for Microsoft 365 collaboration.

plans & eligibility

• Included in: M365 E3/E5, Business Basic/Standard/Premium, F3
• SharePoint Plan 1/Plan 2 — standalone tiers
• SharePoint Server 2019 / SE — on-prem (separately licensed)

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