Quick answer: A SharePoint Team Site is a private, collaborative workspace where all members can create and edit content, connected to a Microsoft 365 Group. A SharePoint Communication Site is a publishing platform for sharing information with a broad audience, managed by a few authors. Team Sites are for doing work together; Communication Sites are for sharing news and information widely. You cannot convert one into the other after creation.
Every time you click ‘Create Site’ in SharePoint, Microsoft asks you to make one of the most consequential decisions in your digital workplace setup: Team Site or Communication Site? This choice determines who can edit content, how site looks, what tools are connected, and whether it can ever serve as your intranet home page.
This guide gives you definitive, plain-English answers — the kind Microsoft’s own documentation assumes you already know. By the end, you will know exactly which site type to pick for every scenario your organisation faces.
What is a SharePoint Team Site?
Definition: A SharePoint Team Site is a collaborative workspace in Microsoft 365 where all members can actively create, edit, and manage content together. When created, it automatically generates a Microsoft 365 Group, connecting the site to shared tools including Outlook, Planner, Teams, a group calendar, and a shared mailbox.
Think of a Team Site as a private workshop. It is purpose-built for doing work — writing documents together, tracking tasks, managing projects, and sharing files within a defined group. Every member is an active contributor, not just a reader. When you create a Team Site from the SharePoint start page, you do not just get a website. You get an entire connected ecosystem:
A Microsoft 365 Group (the membership and security layer)
A shared group mailbox and calendar in Outlook
A Planner board for task management
A OneNote notebook
The ability to connect a Microsoft Teams channel directly to the site
The left-side navigation menu is the visual signature of a Team Site. It is optimised for moving between document libraries, lists, and working pages — not for public-facing presentation.
When should you use a SharePoint Team Site?
A project team needs to co-author documents, track tasks in Planner, and run daily standups in Teams
An HR team is drafting a new benefits policy privately before publishing it to the company
A department needs a secure space to manage its own files, with permissions limited to its members
You are building a site for external collaboration with a vendor, partner, or client
The team needs a shared calendar, shared inbox, or OneNote integration from day one
What is a SharePoint Communication Site?
Definition: A SharePoint Communication Site is a publishing platform for sharing information with a large audience. A small number of authors create and manage content, while the majority of users have read-only access. It does not connect to a Microsoft 365 Group, and its layout is optimised for visual, wide-format content presentation.
Think of a Communication Site as a stage. A few people run it; everyone else watches. It is designed for broadcasting — company news, HR policies, IT updates, leadership announcements, and intranet home pages. Unlike a Team Site, a Communication Site does not come with a Microsoft 365 Group, shared mailbox, Planner, or Teams connection. It is intentionally simpler. Its power comes from wide, visually engaging page layouts and web parts like Hero, News, Events, and Quick Links. The top navigation menu (fixed — it cannot be moved to the left) and the wide-canvas page design are the visual signatures of a Communication Site.
When should you use a SharePoint Communication Site?
Your company needs a main intranet home page or department portal
HR wants to publish benefits information, policy documents, or company news to all employees
A small team of content managers will maintain the site while a large audience reads it
You are building a visually polished hub with news, events, and hero banners
The root site or home site of your SharePoint tenant — this must always be a Communication Site
SharePoint Team Site vs Communication Site: Full Comparison
The table below covers every major difference between the two site types. Use this as your reference when evaluating which to build.
Feature
SharePoint Team Site
SharePoint Communication Site
Primary purpose
Collaborate and create content together
Broadcast information to a wide audience
Who adds content?
All members (many authors)
A few designated authors only
Who can read?
Only team members (private by default)
Broad audience — entire organisation
Microsoft 365 Group?
Yes — auto-created on setup
No — standalone site only
Connected apps
Planner, Outlook, Teams, Calendar, OneNote
None included by default
Permissions model
Microsoft 365 Group membership
SharePoint groups (Owners/Members/Visitors)
Default navigation
Left-side menu (moveable to top)
Top menu (fixed — cannot be moved)
Web parts
Collaboration-focused (Planner, Calendar)
Publishing-focused (Hero, News, Events)
Home site / Root site?
No — cannot be the root site
Yes — must be a Communication Site
External sharing
On by default
Off by default
Convertible?
No — permanent once created
No — permanent once created
5 Critical Differences You Must Understand
1. Microsoft 365 Group connection — the defining difference
This is the single most important technical distinction. A Team Site creates a Microsoft 365 Group automatically. This Group is not just a permissions mechanism — it is the hub that connects your site to Outlook (shared mailbox, shared calendar), Planner, Teams, and other Microsoft 365 services. A Communication Site creates no Group. It stands alone as a single SharePoint site with no automatically connected services. This makes Communication Sites simpler to govern and permission, but limits their out-of-the-box collaboration capabilities.
2. Permissions and security models
Team Site permissions are controlled by Microsoft 365 Group membership. Add someone as an Owner or Member and they get access — simple, dynamic, and automatically synced across all connected apps. However, this also means the Group controls who gets the shared mailbox and calendar, which can create governance challenges at scale. Communication Site permissions use traditional SharePoint groups (Owners, Members, Visitors). This gives you much more granular control — you can restrict editing to two specific people while giving 5,000 employees read access. For intranet and broadcast scenarios, this precision is essential.
3. Navigation layout — left vs. top
Team Sites have a left-side navigation panel by default. This is practical for work environments where users need to quickly jump between document libraries, task lists, and working pages. It can be moved to the top, but left is the default. Communication Sites have a fixed top navigation. This is a design decision — top navigation suits wide, visual pages and helps visitors scan a portal or intranet homepage. It cannot be moved to the left.
4. Web parts availability
Team Sites have access to more web parts overall, including collaboration-specific parts like the Group Calendar, Planner, and Lists. Communication Sites offer a curated set of publishing web parts: Hero, News, Events, Quick Links, People, and Highlighted Content. These are optimised for presentation, not collaboration.
5. Root site and home site eligibility
Your SharePoint tenant’s root site (the top-level site at your organisation’s URL, e.g. contoso.sharepoint.com) and your designated Home Site must be a Communication Site. Microsoft does not allow a Team Site to serve as the organisation-wide landing page. This is a firm technical constraint, not a recommendation.
The Third Option: Team Site Without a Microsoft 365 Group
Only SharePoint Administrators can create this variant — it is not available on the SharePoint start page for regular users. A non-group-connected Team Site gives you the Team Site layout (left navigation, the full web part library) without automatically generating a Microsoft 365 Group. This means no shared mailbox, no group calendar, no Planner, and no Teams connection by default. What you get is a flexible SharePoint site that looks and behaves like a Team Site but with SharePoint-group-based permissions (like a Communication Site). The key strategic advantage: you can ‘groupify’ it later — attaching a Microsoft 365 Group after creation if your needs change. This is a one-way conversion. You cannot remove a Group from a standard Team Site once it is attached, and you cannot convert any site type into a Communication Site.
When the non-group Team Site makes sense
You need a site for storing files or building SharePoint apps but do not need collaborative tools yet
You want to delay the decision about Microsoft 365 Group creation while still getting started
Complex, granular permission requirements that Group membership cannot support
Building legacy or standalone SharePoint solutions without Microsoft 365 ecosystem integration
How to Choose: Decision Guide for Every Scenario
Answer the single most important question first: Is your primary goal working together to create things, or sharing finished information with a large audience? Everything else follows from this.
Your goal
Use Team Site if…
Use Communication Site if…
Collaboration
Multiple people need to edit files, manage tasks, and work together daily
Content is managed by a small team of authors only
Audience size
Small, defined group (department, project team)
Large or company-wide audience
Connected tools
You need Planner, shared mailbox, or Teams integration
You only need a clean, visual publishing space
Intranet / home page
Not required as main intranet landing page
Building a company portal, HR hub, or intranet home
Security model
Simpler group-based access (add/remove members)
Granular, role-specific permission control needed
External collaboration
Working with partners, vendors, or clients
Internal broadcast — no external editing needed
Key rule: You cannot convert a Team Site into a Communication Site, or vice versa — ever. The site type is permanent from the moment of creation. When in doubt, the non-group Team Site gives you the most flexibility to change direction later.
Real Client Case Studies: Team Site vs Communication Site in Practice
Case study: Manufacturing company builds company intranet with SharePoint (Communication Site)
Client: QSC LLC — American electronics manufacturing giant QSC LLC needed a central hub where all employees could access company news, internal communications, and process documentation — a classic broadcast requirement. Beyond Intranet deployed a fully developed SharePoint Intranet built on a Communication Site as the organisational home page. The result was a streamlined internal communication platform that simplified business processes and gave leadership a single publishing surface to reach the entire workforce. The site’s content was managed by a small communications team; the rest of the organisation consumed it as read-only visitors. This is the definitive Communication Site use case: one-to-many information sharing at enterprise scale.
Case study: US manufacturer modernises collaboration with SharePoint intranet (both site types)
Client: US-based manufacturer — Modern Intranet deployment A US-based manufacturer was struggling with fragmented team collaboration — departments were working in silos with no shared visibility across project updates or company news. Beyond Intranet deployed a Modern SharePoint Intranet that combined both site types in a coordinated architecture: department-level Team Sites gave individual teams a private collaborative workspace with document libraries and Planner integration, while an organisation-wide Communication Site served as the company home page broadcasting announcements, policies, and executive updates. Team collaboration improved measurably once each department had a dedicated Team Site connected to their Microsoft Teams channel.
Case study: PR firm uses SharePoint Team Site for contract management (Freuds)
Client: Freuds — leading public relations and communications firm Freuds needed to automate and centralise their legal team’s contract management process — a workflow involving multiple stakeholders reviewing, editing, and approving documents collaboratively before finalisation. This is precisely the scenario that demands a Team Site, not a Communication Site. Beyond Intranet built a custom SharePoint solution on a Team Site, giving the legal team a private, permission-controlled environment where contracts could be co-authored, version-controlled, and routed for approval. All active participants needed edit access — the hallmark requirement of a Team Site. The Communication Site would have been the wrong choice here: it restricts editing to a few authors and cannot support the multi-contributor contract lifecycle Freuds required.
Case study: African staffing company uses SharePoint Team Site for document management
Client: Africa’s leading staffing and recruitment company This staffing organisation needed to organise key company information and improve employee productivity through a centralised document management system. The requirement was clear: a defined internal team needed to store, manage, and access operational documents securely with workflow automation. Beyond Intranet implemented a SharePoint Document Management System (DMS) on a Team Site, providing secure file sharing, repository management, and workflow automation. The Team Site’s permission model — controlled by Microsoft 365 Group membership — ensured only authorised staff could access sensitive HR and recruitment documents, while automation workflows reduced manual processing time significantly.
Case study: Australian NFP uses modern SharePoint intranet for document search (Communication Site)
Client: Australian NFP Grow — non-profit organisation Australian NFP Grow needed to improve how staff and volunteers found and accessed organisational documents, policies, and resources. The challenge was discoverability at scale — many people needed to search and navigate a growing content library without editing rights. Beyond Intranet built a modern SharePoint Intranet using a Communication Site as the publishing foundation, with a clean visual design, improved navigation, and an enhanced document search experience. The Communication Site was the right choice precisely because the majority of users were readers, not contributors. A small content team managed the site, while the wider organisation benefited from a dramatically improved document discovery experience.
Case study: European consultancy adopts Microsoft Teams + SharePoint Team Site for collaboration
Client: European consultancy firm — multi-location collaboration This European consultancy firm needed to improve team collaboration across multiple offices and touchpoints — a requirement that points directly to the Team Site + Microsoft Teams combination. Beyond Intranet helped the firm adopt Microsoft Teams, which automatically provisioned a SharePoint Team Site for each team channel. Consultants across different locations could co-author deliverables in shared SharePoint document libraries, communicate in Teams channels, and track project tasks — all within the connected Microsoft 365 ecosystem that Team Sites enable. This case illustrates a critical point: when you create a Microsoft Teams team, SharePoint automatically creates a Team Site in the background. The Files tab in Teams is your Team Site’s document library.
How Beyond Intranet Helps You Build the Right SharePoint Architecture
With over 17 years of Microsoft Solutions Partner experience, Beyond Intranet has designed SharePoint environments for organisations ranging from 50 to 50,000 employees. The Team Site vs Communication Site decision is one we help clients make correctly from day one — because getting it wrong means rebuilding. Our SharePoint consulting practice covers the full lifecycle: information architecture planning, site type selection, permission governance, hub site design, intranet deployment, and migration. We have helped companies avoid the single most expensive SharePoint mistake: building a Team Site when they needed a Communication Site for their root intranet, and discovering they cannot convert it.
SharePoint Information Architecture Assessment — map the right site type to every use case before you build
Intranet design and Communication Site deployment — visually polished, governance-ready portals
Microsoft 365 Group governance — prevent permission sprawl across your Team Sites
SharePoint migration — move from legacy team sites to modern, structured environments
No. Once a site is created as a Team Site or Communication Site, the type is permanent. You cannot convert one into the other. If you need to change, you must create a new site and migrate your content manually or with a migration tool. This is why choosing the correct type at creation is critical.
A SharePoint Team Site is a collaborative workspace connected to a Microsoft 365 Group, where all members can create and edit content. A Communication Site is a publishing platform where a small number of authors share information with a large, mostly read-only audience. Team Sites are for doing work together; Communication Sites are for broadcasting finished information.
No. Your SharePoint root site and designated Home Site must be a Communication Site. Microsoft requires this because intranet home pages are broadcasting tools — viewed by the entire organisation — which is the Communication Site's core purpose. Team Sites are for defined groups, not organisation-wide audiences.
Yes. When you create a new team in Microsoft Teams, the platform automatically creates a SharePoint Team Site in the background. It also creates a Microsoft 365 Group. The Files tab in your Teams channel is a document library inside that SharePoint Team Site. They are the same site — Teams just provides a different interface to the same underlying files.
This is a third site type, only creatable by SharePoint Administrators. It has the visual layout and web parts of a Team Site (including left-side navigation) but does not create a Microsoft 365 Group. This means no shared mailbox, calendar, or Planner by default. It uses SharePoint group-based permissions instead of Group membership. It can be 'groupified' later to add a Microsoft 365 Group if needed.
Not effectively. Communication Sites restrict editing to a small number of designated authors. While you can add Members with edit access, the site lacks Planner, a shared group mailbox, group calendar, and native Teams integration. If multiple people need to actively collaborate on documents and tasks, a Team Site is the correct choice.
Adding someone to the Microsoft 365 Group as a Member grants them edit access to the Team Site and all connected apps — including the shared mailbox, calendar, and Planner. Owners get full administrative control. This is simpler than Communication Site permissions but less granular — all Members get the same access level unless you set library-level permissions manually.
Communication Sites are the foundation of modern SharePoint intranets. Your root site must be a Communication Site, and hub sites are typically Communication Sites as well. Team Sites connect to the intranet as associated sites under a hub, providing collaborative workspaces while the Communication Site provides the intranet's public-facing portal and navigation.
Conclusion
The SharePoint Team Site vs Communication Site decision comes down to one question: are you building a workspace or a publishing platform? Team Sites are the engines of day-to-day collaboration. They connect your team to the full Microsoft 365 ecosystem — Planner, Outlook, Teams — and give every member the ability to create and edit content. They are private, dynamic, and built for doing. Communication Sites are the storefronts of your digital workplace. They reach the whole organisation with polished, curated content managed by a small editorial team. They are open, visual, and built for sharing. In most organisations, both types are needed — often for the same department, at different stages of the same workflow. Getting the architecture right from day one is essential, because neither site type can be converted after creation.
Need help? If you are planning a SharePoint environment and need to get the site architecture right the first time, Beyond Intranet’s SharePoint consulting team can assess your requirements and design a structure that fits — before you build anything.
About Author
Bhupendra Singh
Bhupendra is a Digital Transformation Expert and Microsoft 365 Consultant who helps organizations modernize the way they work using the Microsoft 365 suite of services. As a Microsoft Certified Teams Administrator Associate, with credentials in Microsoft 365 Fundamentals and the Microsoft Service Adoption Specialist assessment, he combines technical expertise with adoption strategies to drive meaningful business change.
Bhupendra Singh