? SharePoint Online (SPO) Overview & Storage
SharePoint Online (SPO) is a cloud-based collaboration platform provided by Microsoft 365. It allows organizations to create team and communication sites, store documents, and manage content securely while integrating with Teams, OneDrive, and other Microsoft apps.
1️⃣ What is SharePoint Online?
- ? Centralized document storage and sharing
- ??? Collaboration with teams across the organization
- ? Security, compliance, and access control
- ? Mobile and offline access
- ? Integration with Microsoft 365 apps like Teams, Power Automate, and OneDrive
2️⃣ How SharePoint Online Works
- ? Part of the Microsoft 365 cloud environment
- ? Sites contain document libraries, lists, pages, and web parts
- ? Access controlled via Microsoft 365 identities (users/groups)
- ⚡ Integration with Teams for real-time collaboration
3️⃣ SharePoint Online Storage
3.1 Tenant Storage
Every Microsoft 365 tenant receives:
- ? Base storage: 1 TB
- ➕ Additional 10 GB per licensed user
- Example: 200 users → 1 TB + (200 × 10 GB) = 3 TB total
3.2 Site Storage
- ? Default quota for new sites: 25 GB
- ⚙️ Can be increased manually or use auto-managed growth
- ? Storage is shared across all sites in the tenant
3.3 File Size Limit
Maximum upload size: 250 GB per file ?️
3.4 Additional Storage
- ? Purchased in GB/TB increments (~$0.20/GB/month)
- ? Increases tenant storage pool, no new features
4️⃣ SharePoint Online Plans & Comparison
| Feature / Plan | Plan 1 (SPO P1) | Plan 2 (SPO P2) | Extra Storage Add-on |
|---|---|---|---|
| Cost (approx) | $5/user/month | $10/user/month | $0.20/GB/month |
| Base tenant storage | 1 TB + 10 GB/user | 1 TB + 10 GB/user | Adds extra GB/TB |
| Max site collection storage | 25 TB | 25 TB | Follows same rules |
| File size limit | 250 GB | 250 GB | Same |
| Team & communication sites | ✅ | ✅ | N/A |
| Versioning & sharing | ✅ | ✅ | N/A |
| DLP, eDiscovery, Legal Hold | ❌ | ✅ | ❌ |
| Advanced search | ❌ | ✅ | ❌ |
| Mobile & offline access | ✅ | ✅ | N/A |
| Purpose | Collaboration | Compliance + Enterprise | Extra storage only |
5️⃣ Licenses That Include SharePoint Online
SharePoint Online is included in most Microsoft 365 / Office 365 plans:
Business Plans
- Microsoft 365 Business Basic ✅
- Microsoft 365 Business Standard ✅
- Microsoft 365 Business Premium ✅
- Microsoft 365 Apps for Business ❌ (No SharePoint)
Enterprise Plans
- Office 365 E1, E3, E5 ✅
- Microsoft 365 E3, E5 ✅
- Microsoft 365 F1 / F3 ✅ (limited features)
Education Plans
- Office 365 A1, A3, A5 ✅
- Microsoft 365 A1, A3, A5 ✅
Standalone Plans
- SharePoint Online Plan 1 ✅
- SharePoint Online Plan 2 ✅
? Note: Apps-only licenses (like Microsoft 365 Apps) do not include SharePoint Online.
6️⃣ How to Check Storage & Site Quota
- Go to SharePoint Admin Center → Active Sites → Storage Used
- Adjust site quotas during site creation or in Site Settings → Storage Quota
7️⃣ Best Practices
- ⚡ Use auto-managed storage for modern sites to avoid manual quota management
- ? Monitor storage usage to plan extra storage purchases
- ? Choose Plan 2 for compliance, DLP, or legal hold requirements
- ? Use Plan 1 for standard collaboration without advanced compliance
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