Office 365 E3
Desktop apps + enterprise email + compliance — no Windows/EMS
Organizations needing full desktop Office suite with enterprise email and compliance, but not Windows/Intune
Tier comparison
Where O365 E3 sits in the office365 family
- +Defender for Office 365 Plan 2
- +Defender for Cloud Apps
- +Communications DLP (Teams)
- +Purview Information Protection P2
Available add-ons
Extend O365 E3 with these add-ons
Each add-on stacks on top of your base plan. Pricing is per user/month.
Cloud PBX add-on — make/receive PSTN calls via Teams
- Teams Phone System
- Auto Attendant
- Call Queues
Cloud PBX + domestic calling plan bundle
- Teams Phone System
- Calling Plans
- Auto Attendant
AI assistant in Word, Excel, PowerPoint, Outlook, Teams
- Microsoft 365 Copilot
- Copilot in Word
- Copilot in Excel
Enterprise EDR, threat hunting, automated investigation
- Defender for Endpoint Plan 2
- Defender for Business (EDR)
- Threat Analytics
Advanced email threat protection — attack simulation, automated remediation
- Defender for Office 365 Plan 2
- Attack Simulation Training
- Automated Investigation & Remediation
Identity Protection, PIM, risk-based conditional access
- Microsoft Entra ID P2
- Identity Protection (Risk-based)
- Privileged Identity Management (PIM)
Advanced endpoint management — Remote Help, EPM, Cloud PKI, EAM
- Microsoft Intune Plan 2
- Intune Endpoint Privilege Management
- Intune Enterprise App Management
eDiscovery Premium, Insider Risk, Communication Compliance, Customer Key
- Purview eDiscovery (Premium)
- Purview Insider Risk Management
- Purview Communication Compliance
Employee experience — Connections, Goals, Insights, Learning, Pulse, Amplify
- Viva Connections
- Viva Goals
- Viva Insights
Feature Map
What you get with O365 E3
25 included · 3 not included. Click any category to jump.
Office Apps
7/7
Email & Calendar
1/1
Collaboration
3/3
Security & Threat Protection
3/3Identity & Access
1/2Compliance & Data Protection
7/7Device Management
0/1Analytics & Insights
1/1AI & Copilot
1/1Licensing & eligibility
Buying & licensing
Buying rules and eligibility requirements specific to O365 E3.
- Commitment
- Annual commitment, billed monthly is the listed rate. Month-to-month is ~20% higher.
- Trial
- 30-day free trial — credit card required.
- Volume discounts
- Available through CSP partners at 250+ seats.
Full feature list — O365 E3
| Feature | Status | Details |
|---|---|---|
| Office Apps (7/7) | ||
Access (PC only) Database management application | ✓ | — |
Excel desktop app Full-featured Excel with macros, Power Query, Power Pivot | ✓ | Desktop, web, and mobile |
Microsoft Forms Surveys, quizzes, and polls | ✓ | — |
OneNote Digital notebook for organizing notes | ✓ | — |
Outlook desktop app Full email client with calendar, contacts, tasks | ✓ | Desktop, web, and mobile |
PowerPoint desktop app Full-featured PowerPoint with animations, transitions, designer | ✓ | Desktop, web, and mobile |
Word desktop app Full-featured Word application for PC and Mac | ✓ | Desktop, web, and mobile |
| Email & Calendar (1/1) | ||
Exchange Online Plan 2 100 GB mailbox, unlimited archive, hosted voicemail | ✓ | 100 GB mailbox + unlimited archive |
| Collaboration (3/3) | ||
Microsoft Planner Visual task management with boards and charts | ✓ | — |
Microsoft Teams Chat, video meetings, calling, collaboration hub | ✓ | — |
SharePoint Online Plan 2 Advanced search, enterprise features, unlimited storage | ✓ | — |
| Storage (1/1) | ||
OneDrive 1-5+ TB 1 TB to unlimited cloud storage per user | ✓ | — |
| Security & Threat Protection (3/3) | ||
Defender for Office 365 Plan 1 Anti-phishing, Safe Attachments, Safe Links for email and Teams | ✓ | New in 2026 |
Multifactor Authentication Require second factor for sign-in | ✓ | — |
Spam & malware filtering Exchange Online Protection for email | ✓ | — |
| Identity & Access (1/2) | ||
Microsoft Entra ID Free Basic identity and access management | ✓ | — |
Microsoft Entra ID P1 Conditional access, self-service password reset, dynamic groups | ✕ | — |
| Compliance & Data Protection (7/7) | ||
Azure Rights Management Protect documents and email with encryption and permissions | ✓ | — |
DLP for email and files Prevent sensitive data from leaving via email or SharePoint | ✓ | — |
Litigation Hold Preserve mailbox content for legal proceedings | ✓ | — |
Purview Audit (Standard) Audit log search, 180-day retention | ✓ | — |
Purview eDiscovery (Standard) Case management, hold, search, export for legal investigations | ✓ | — |
Purview Information Protection Sensitivity labels, encryption, classification | ✓ | — |
Purview Message Encryption Send encrypted email to anyone inside or outside organization | ✓ | — |
| Device Management (0/1) | ||
Microsoft Intune Plan 1 MDM/MAM — manage devices and apps, conditional access enforcement | ✕ | — |
| Analytics & Insights (1/1) | ||
Copilot Chat Analytics Track Copilot usage and adoption across organization | ✓ | New in 2026 |
| AI & Copilot (1/1) | ||
Microsoft 365 Copilot Chat AI chat powered by latest LLMs — included with eligible plans | ✓ | New in 2026 |
| Windows & Desktop (0/1) | ||
Windows 11 Enterprise Enterprise OS with cloud management, security, and updates | ✕ | — |
Ready to deploy? Our Microsoft 365 migration services include license provisioning, policy setup, and full data migration from any source platform. Check the licensing guide for detailed add-on prerequisites.
Cost Calculator
O365 E3 pricing calculator
| Users | Monthly Cost | Annual Cost | July 2026 Monthly | July 2026 Annual |
|---|---|---|---|---|
| 5 users | $115 | $1380 | $130 | $1560 |
| 10 users | $230 | $2760 | $260 | $3120 |
| 25 users | $575 | $6900 | $650 | $7800 |
| 50 users | $1150 | $13800 | $1300 | $15600 |
| 100 users | $2300 | $27600 | $2600 | $31200 |
| 150 users | $3450 | $41400 | $3900 | $46800 |
| 200 users | $4600 | $55200 | $5200 | $62400 |
| 300 users | $6900 | $82800 | $7800 | $93600 |
| 500 users | $11500 | $138000 | $13000 | $156000 |
| 1000 users | $23000 | $276000 | $26000 | $312000 |
Migration paths
How to migrate to O365 E3
Common migration scenarios into this plan. Medha Cloud handles the full cutover end-to-end.
Gmail, Google Drive, Google Docs, Google Meet
Exchange Server 2013, 2016, 2019 running on your own servers
AWS-managed email and calendar service
FAQ
Questions about O365 E3
What is Office 365 E3?+
What's the difference between O365 E3 and O365 E5?+
Should I downgrade to O365 E1 to save money?+
Why does O365 E3 pricing change in July 2026?+
Is there a free trial of O365 E3?+
Can I mix O365 E3 with other Microsoft 365 plans in the same tenant?+
What is Office 365 E3?
Office 365 E3 is a office365 Microsoft 365 subscription plan priced at $23/user/month (annual commitment). It supports unlimited users and includes 1-5+ TB OneDrive of cloud storage per user.
Best for: Organizations needing full desktop Office suite with enterprise email and compliance, but not Windows/Intune
This plan includes 25 features across 9 categories including Office Apps, Email & Calendar, Collaboration, Storage, Security & Threat Protection. It does not include 3 features available in higher-tier plans.
July 2026 pricing update: Starting July 1, 2026, O365 E3 will increase from $23/user/mo to $26/user/mo. This represents a 13% increase.
Free trial: O365 E3 offers a 30-day free trial (credit card required).
Switching to O365 E3?
If you are adopting O365 E3 for the first time, you are likely migrating from another email platform. Our Microsoft 365 migration services cover every source platform — from Google Workspace and on-premises Exchange Server to any IMAP-compatible mail host and GoDaddy email. Every migration includes zero-downtime guarantees, 100% data integrity verification, and 30 days of post-migration support.
Already on Microsoft 365 and restructuring? Tenant-to-tenant migration handles mailbox, OneDrive, SharePoint, and Teams data moves between M365 environments.
Buy through Medha
Get Office 365 E3 — save 5%
Purchase through Medha Cloud and get partner pricing, free migration assistance, and priority support.
Compare Plans
Licensing Guide
Beyond Free Tools
Enterprise Cloud & IT Services
From Microsoft 365 migrations to fully managed infrastructure — we handle every layer of your IT stack.
Migration Tools We Use
Enterprise-grade tooling for every platform
- BitTitan MigrationWiz— Cloud-to-cloud email & data
- Microsoft Exchange Hybrid— On-prem to Exchange Online
- ShareGate Desktool— SharePoint & OneDrive
- Microsoft Mover.io— Google Drive to OneDrive
- Entra ID Connect— AD sync & hybrid identity
- PowerShell & EWS API— Automation & bulk ops