Microsoft 365 E3 for Enterprise 100 User (With Teams) - 1 Year

Microsoft 365 E3 – Full Enterprise Details

Microsoft 365 E3 is a mid-tier enterprise license combining Office productivity apps, intelligent cloud services, advanced security, device management, and enterprise compliance. It is positioned between Microsoft 365 E1 (entry-level) and Microsoft 365 E5 (premium).

✅ 1. What Microsoft 365 E3 Includes

Microsoft 365 E3 bundles the following 4 categories:

A. Office 365 E3 (Productivity Apps)

Full desktop Office apps (installable on up to 5 PCs/Macs + 5 tablets + 5 phones):

• Microsoft Word

• Excel

• PowerPoint

• Outlook

• OneNote

• Publisher (Windows only)

• Access (Windows only)

Cloud apps:

• Exchange Online (Email)

• SharePoint Online (Team sites, intranet)

• OneDrive for Business (1 TB default)

• Microsoft Teams

• Planner

• To Do

• Yammer / Viva Engage

• Stream (on SharePoint)

• Forms

• Delve

B. Windows Enterprise (OS Upgrade Rights)

Microsoft 365 E3 includes:

Windows 11 Enterprise E3

Advanced OS features:

• Windows Autopilot

• BitLocker encryption

• Windows Defender Antivirus

• Microsoft Defender Firewall

• Windows Sandbox

• Windows Virtual Desktop (client access)

• Direct Access

• AppLocker

• Credential Guard (limited)

• Windows Information Protection (WIP)

⚠️ You must already have a Windows Pro license to upgrade.

C. Enterprise Mobility + Security (EMS) E3

Microsoft 365 E3 includes the full EMS E3 suite:

Azure Active Directory (Now Entra ID) Premium P1

• Conditional Access (basic)

• Passwordless authentication (FIDO2, Windows Hello, Authenticator)

• Self-service password reset (SSPR)

• MFA (basic)

• Dynamic groups

• Hybrid identity sync

Intune (Device + app management)

• MDM (Mobile Device Management)

• MAM (App protection)

• Compliance policies / conditional access

• Configuration profiles for Windows, iOS, Android, macOS

• Windows Autopatch (basic update automation)

• Software deployment

Azure Information Protection (AIP) P1

• Sensitivity labels (manual)

• Email and document encryption

• Rights management (Restrict forwarding, copy/paste, watermarking)

Defender for Identity (AD monitoring)

• Detect lateral movement

• Suspicious authentication patterns

• Defender 365 ecosystem integration

D. Enterprise-grade Compliance

From Microsoft Purview:

• Data Loss Prevention (DLP)

  • For Exchange, SharePoint, OneDrive, Teams (basic)

• Content search & eDiscovery (Standard)

• Audit log (Standard)

• Retention policies + labels

• Basic legal hold (Core eDiscovery)

✅ 2. Microsoft 365 E3 – Security Features (Full Breakdown)

Endpoint Security

• Microsoft Defender Antivirus

• Attack Surface Reduction (limited)

• BitLocker device encryption

• Windows Information Protection

• Local admin lockdown options

Identity & Access

• Conditional Access (limited rules)

• MFA (standard, not risk-based)

• SSO across cloud + on-prem

• Identity governance (basic)

Data Security

• AIP P1 data labeling & encryption

• DLP across all major workloads

• Email encryption (OME)

• Safe Attachments & Safe Links (limited features; full in E5)

✅ 3. Email & Collaboration Features

Exchange Online (Plan 2)

Included in E3:

• 100 GB mailbox

• Unlimited archive + auto-expanding archive

• eDiscovery

• Litigation Hold

• MAPI/Pop/IMAP/ActiveSync

SharePoint Online (Plan 2)

• Unlimited site storage

• Advanced search

• eDiscovery

• Enterprise content management

Teams Features

• Video conferencing

• Chat & collaboration

• App integrations

• Phone System only in E5 (not included in E3)

✅ 4. OneDrive for Business

• 1 TB per user (expandable to 5 TB on request)

• Advanced file sharing controls

• Data encryption (at-rest & in-transit)

• Files On-Demand support in Windows & macOS

✅ 5. Licensing Rules

User Licensing Model

• Per-user subscription

• Each user gets:

  • 5 PCs/Macs

  • 5 tablets

  • 5 phones

Typical Enterprise Use Cases

• Hybrid companies using Azure AD + on-prem AD

• Organizations needing strong security but not full E5 analytics

• Enterprises with desktop deployment needs

• Compliance-driven businesses (legal hold, retention)

✅ 6. What Microsoft 365 E3 Does Not Include (Compared to E5)

Microsoft 365 E3 does NOT include:

❌ Microsoft Defender for Endpoint (full EDR/XDR)
❌ Microsoft Defender for Office 365 Plan 2
❌ Advanced eDiscovery
❌ Insider risk management
❌ Microsoft Purview Endpoint DLP
❌ Teams Phone System
❌ Communication Compliance
❌ Cloud App Security (MCAS) — now Defender for Cloud Apps
❌ Advanced Threat Analytics (ATA) alternatives in E5 stack
❌ Audio Conferencing

✅ 7. Price (Approximate)

Prices vary by region. Typical enterprise cost:

Microsoft 365 E3: ~USD $36 per user/month

In some regions (e.g., Australia), pricing may differ.

✅ 8. Technical Deployment Architecture

Identity Setup

• Azure AD / Entra ID

• Optional Hybrid AD (with sync/SSO)

• Conditional Access enforcement

Device Management

Using Intune:

• Autopilot enrollment

• Compliance policies

• App deployment (Win32, MSI, Store apps)

• Endpoint configuration

• Apple MDM via Intune

Security Baseline

• Microsoft 365 Security Baseline (Intune)

• Windows Security Baseline

• Office macro controls

• Defender security policies

✅ 9. Detailed Components List (Full)

Microsoft 365 Apps for Enterprise

• Full apps

• Shared Computer Activation (RDS environments)

• Enterprise templates

EMS E3

• Entra ID P1

• Intune

• AIP P1

• Defender for Identity

Windows Enterprise E3

• Enterprise-grade OS features

Office 365 E3

• Exchange Online Plan 2

• SharePoint Online Plan 2

• Teams

• OneDrive Plan 2

⭐ Microsoft 365 E1 vs E3 vs E5 — Full Side-by-Side Comparison

1. High-Level Summary

2. Detailed Feature Comparison Table

A. Office & Productivity Apps

B. Email & Collaboration (Exchange, SharePoint, Teams)

C. Windows & Device Features

D. Security (Identity, Endpoint, Cloud)

E. Compliance & Information Governance (Purview)

F. Licensing & Device Rights

3. Pricing (Approximate)

Pricing varies by country (Australia/Europe higher).

4. Which One Should You Choose?

M365 E1 – Best for

• Frontline workers

• Light email & Teams usage

• No desktop office apps

• Basic security

M365 E3 – Best for MOST enterprises

• Full Office desktop apps

• Strong security (Intune, AIP P1, Conditional Access)

• Windows Enterprise

• Compliance features

• Best value for medium-to-large companies

M365 E5 – Best for

• High-security industries

• Finance, government, defense, healthcare

• Organizations requiring:

  • Zero-trust with risk-based policies

  • Advanced threat protection

  • EDR/XDR

  • Insider risk

  • Teams Phone System

⭐ Microsoft 365 E3 vs Microsoft 365 Business Premium

Full Technical Comparison (Enterprise-Grade)

1. High-Level Summary

2. Productivity Apps (Office Apps)

? Both licenses provide identical Office application capabilities.

3. Email & Collaboration (Exchange + SharePoint + Teams)

? E3 leads for mailbox size + full Exchange Online Plan 2.

4. Security Features

This is the biggest difference.

A. Identity & Access Security

? Identity security is the same (both have P1).

B. Endpoint Security

? Business Premium includes enterprise-grade endpoint security equivalent to Defender for Endpoint P2 Lite.

? E3 does NOT include EDR.

C. Data & Email Security

? Business Premium includes advanced email protection. E3 does not.

D. Data Classification & Encryption

? Data protection features are mostly identical.

5. Device Management (Intune + Windows)

? Device management is almost identical.

6. Windows OS Licensing

? E3 includes Windows Enterprise, Business Premium does NOT.

If you need enterprise OS features, E3 is mandatory.

7. Compliance Features (Microsoft Purview)

? Compliance is nearly identical between Business Premium and E3.

8. Pricing (Approx.)

Pricing varies by region.

⭐ 9. Which One Should You Choose?

Choose M365 Business Premium If:

✔ You have under 300 users
✔ You want maximum security at the best price
✔ You need Defender for Business (EDR)
✔ You want Defender for Office 365 P1
✔ You want enterprise-level protection without paying E5 pricing

➡️ Best security-to-price ratio of any Microsoft SKU.

Choose M365 E3 If:

✔ You are an enterprise with more than 300 users
✔ You need Windows 11 Enterprise
✔ You need full Exchange Plan 2 (100GB mailbox + unlimited archive)
✔ You want deeper SharePoint Online Plan 2
✔ You plan to upgrade to E5 later

➡️ Best for large, regulated, or centralized IT organizations.

10. Final Verdict

Business Premium = Better SECURITY.

E3 = Better ENTERPRISE OS + COLLABORATION features.