Full Desktop Office Applications
Complete desktop versions of Word, Excel, PowerPoint, Outlook, OneNote, Access, and Publisher. Install on up to 5 PCs/Macs, 5 tablets, and 5 smartphones per user.

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$45.60/Month - Includes $27/Month in Add-ons: Teams Phone + Audio Conferencing + Power BI Pro + Advanced Security
Get the ultimate Office 365 experience with everything in E3 plus Teams Phone Standard, Audio Conferencing, Power BI Pro, and Advanced Threat Protection Plan 2. Perfect for enterprises needing cloud phone systems, advanced analytics, and maximum security.
💰 Exceptional Value: E5 includes $27/month of add-ons for only $18/month premium over E3Microsoft Silver Partner Since 2009 • 99.9% Uptime SLA
Pay only $18/month more than E3, get $27/month in premium add-ons
Cloud-based phone system replacing traditional PBX. Make and receive calls directly in Teams.
Global dial-in numbers for meetings. Participants can join from any phone worldwide.
Advanced analytics and interactive dashboards. Visualize data and share insights.
Advanced threat protection with automated investigation and response capabilities.
💡 Net Savings: $9/month per user when you need these features!
E5 makes financial sense if you need any 2+ of these add-ons
Full desktop applications, advanced analytics, cloud phone system, and maximum security
Complete desktop versions of Word, Excel, PowerPoint, Outlook, OneNote, Access, and Publisher. Install on up to 5 PCs/Macs, 5 tablets, and 5 smartphones per user.
Cloud PBX replacement with enterprise calling, auto attendants, call queues, voicemail, and direct routing. Make and receive calls directly in Microsoft Teams.
Global dial-in numbers for Teams meetings. Participants can join from any phone with toll and toll-free numbers in over 60 countries.
Advanced business intelligence with interactive dashboards, data modeling, real-time analytics, and AI-powered insights. Share reports across your organization.
100GB mailbox per user with auto-expanding archive, shared mailboxes, advanced email security features, and mobile access from any device.
Each user gets 2TB of personal cloud storage (vs 1TB in E3) with real-time sync across all devices, offline access, and version history.
AI-powered security with automated investigation, threat hunting, attack simulation training, and comprehensive threat intelligence.
Enhanced compliance with legal hold, advanced search, predictive coding, and comprehensive investigation tools for regulatory requirements.
Personal productivity insights showing how you spend time, collaboration patterns, focus time analytics, and recommendations for work-life balance.
Build custom AI assistants and chatbots for Teams. Automate workflows and create intelligent conversational experiences.
Information governance, insider risk management, communication compliance, information barriers, and customer lockbox for maximum data control.
Microsoft Defender for Cloud Apps provides CASB (Cloud Access Security Broker) functionality with shadow IT discovery and cloud app governance.
Side-by-side comparison showing E5 advantages and ROI
| Feature Category | Office 365 E3 | Office 365 E5 | E5 Advantage |
|---|---|---|---|
| Monthly Price | $27.60/user | $45.60/user | $18.00 premium |
| Voice Calling (Teams Phone) | ❌ Not included | ✅ Included | Save $8/month |
| Audio Conferencing | ❌ Not included | ✅ Included | Save $4/month |
| Advanced Analytics (Power BI Pro) | ⚠️ Basic only | ✅ Included | Save $10/month |
| Threat Protection | ⚠️ Basic security | ✅ Defender Plan 2 | Save $5/month |
| OneDrive Storage | 1TB per user | ✅ 2TB per user | Enhanced |
| Compliance Tools | ⚠️ Basic | ✅ Advanced eDiscovery | Enhanced |
| Copilot Studio | ❌ Not included | ✅ For Teams | Exclusive |
| Desktop Apps | ✅ Up to 5 devices | ✅ Up to 5 devices | Same |
| Email Storage | 100GB | ✅ 100GB | Same |
E5 includes $27/month of add-ons that cost separately with E3
You pay only $18/month premium over E3
Net Benefit: $9/month MORE in value than you pay extra!
E5 is the right choice for these common business scenarios
If you're replacing a traditional PBX or need calling capabilities in Teams, E5's included phone system ($8/month value) makes it cost-effective.
Organizations with remote participants who need to join meetings by phone benefit from Audio Conferencing ($4/month value).
Companies that rely on business intelligence and data visualization need Power BI Pro ($10/month value) for advanced analytics.
Financial services, healthcare, and legal firms requiring advanced eDiscovery, insider risk management, and information governance.
Enterprises facing sophisticated cyber threats benefit from Defender Plan 2 ($5/month value) with automated investigation and response.
Organizations with 500+ users replacing PBX infrastructure save significantly with E5's included phone system and advanced features.
Small businesses needing only basic office applications, email, and collaboration without phone system or advanced analytics.
Growing businesses (50-500 users) that can upgrade to E5 later as needs expand. Start with E3 for core functionality.
Maximum protection with Microsoft's most advanced security infrastructure
Extended detection and response across email, endpoints, identities, and cloud apps with automated investigation and remediation
Enhanced search, predictive coding, legal hold, and comprehensive investigation tools for regulatory compliance
Identify and mitigate potential insider threats with AI-powered detection of risky user behavior patterns
Automatic sensitivity labeling, encryption, and data loss prevention across emails, files, Teams, and SharePoint
Microsoft Defender for Cloud Apps provides CASB functionality with shadow IT discovery and threat protection
Real-time insights into global threat actors, attack campaigns, and tactics from Microsoft's security research team
Monitor and review communications for regulatory compliance, inappropriate content, and policy violations
Explicit approval required before Microsoft engineers can access your data for support operations
Microsoft Silver Partner Since 2009 • 18+ Years of Cloud Expertise
Zero-downtime migrations from any platform. We handle phone system cutover, data migration, and user training seamlessly.
Consolidate billing across Microsoft 365, Google Workspace, Okta and other cloud services.
Ongoing support for Teams Phone configuration, Power BI deployment, security optimization, and compliance setup.
We help you maximize E5 value by configuring phone systems, training users on Power BI, and optimizing security features.
Common questions about Office 365 E5
Office 365 E5 includes everything in E3 plus Teams Phone Standard ($8/month value), Audio Conferencing ($4/month value), Power BI Pro ($10/month value), Defender for Office 365 Plan 2 ($5/month value), Advanced eDiscovery, MyAnalytics Premium, Copilot Studio for Teams, and Cloud App Security. The E5 premium is $18/month but includes $27/month in add-ons - a net $9/month savings when you need these features.
Yes, Office 365 E5 includes Teams Phone Standard (formerly Phone System), a cloud-based PBX that replaces traditional phone systems. You can make and receive calls directly in Teams, set up auto attendants, call queues, and voicemail. This feature alone is worth $8/month if purchased separately. Audio Conferencing (global dial-in numbers) is also included, worth an additional $4/month.
Yes, Office 365 E5 includes Power BI Pro for every user. This provides advanced data analytics, interactive dashboards, real-time reporting, data modeling, and AI-powered insights. Power BI Pro costs $10/month when purchased separately, making it a significant value component of E5.
E5 includes Microsoft Defender for Office 365 Plan 2 (vs Plan 1 in E3), Microsoft Defender for Identity, Cloud App Security (CASB), Advanced Threat Analytics, Insider Risk Management, Communication Compliance, Customer Lockbox, and Privileged Access Management. These provide automated investigation, threat hunting, and comprehensive protection against sophisticated attacks.
Office 365 E5 includes 2TB of OneDrive storage per user (double the 1TB in E3). For qualifying plans with 5+ users, you can request unlimited storage. Microsoft provides an initial 1TB/user, which admins can increase to 5TB/user, with storage up to 25TB/user provisioned in OneDrive and beyond that in SharePoint team sites.
Yes, you can upgrade from Office 365 E3 to E5 at any time. The transition is seamless - your existing data, settings, and configurations remain intact. You'll immediately gain access to Teams Phone, Audio Conferencing, Power BI Pro, and advanced security features. Iron Cove Solutions provides migration assistance to ensure all premium features are properly configured.
If you purchase E3 ($27.60/month) and need to add Teams Phone ($8), Audio Conferencing ($4), Power BI Pro ($10), and Defender Plan 2 ($5), you'd pay $54.60/month total. E5 costs $45.60/month - saving you $9/month per user. Even if you need just 2-3 of these add-ons, E5 becomes cost-effective while providing the full premium suite.
As a Microsoft Silver Partner since 2009, we provide comprehensive E5 migration including phone system cutover planning, Teams Phone configuration, calling plan setup, Power BI deployment, security baseline configuration, compliance tool setup, user training on new features, and ongoing support. We ensure zero-downtime transitions from your existing systems.
Find the right Microsoft productivity suite for your business needs and budget
Complete Enterprise Solution
Full desktop Office suite with advanced security and compliance. Perfect baseline for enterprises not needing phone system or advanced analytics.
Premium Analytics & Security
Ultimate Office 365 with Teams Phone, Audio Conferencing, Power BI Pro, and advanced security. Best value when you need 2+ premium add-ons.
Complete Intelligence Suite
Everything in Office 365 E5 plus Windows 11 Enterprise, Microsoft Defender for Endpoint Plan 2, and full Enterprise Mobility + Security E5.
SMB Productivity Suite
Perfect for small to mid-sized businesses. Desktop Office apps, Teams, Exchange, SharePoint, and OneDrive with device management.
Advanced Email Solution
100GB mailboxes with unlimited archiving, advanced compliance, and in-place hold. Perfect for email-only deployments.
Web-Based Enterprise
Enterprise email, Teams, SharePoint, and OneDrive with web-based Office apps. No desktop applications included.
Entry-Level Cloud
Web-based Office apps, Teams, SharePoint, and Exchange for small businesses starting their cloud journey.
Shared Device Licensing
Designed for shared workstations and kiosk scenarios. Includes web apps and shared computer activation. 5 user minimum.
Our Microsoft certified experts will analyze your requirements and demonstrate the ROI of E5's premium features. Get a personalized cost comparison showing how E5's included add-ons deliver $9/month more value than you pay.
Free ROI analysis • No obligation • Same-day response
Choose the option that works best for your enterprise
Purchase Office 365 E5 licenses instantly. Premium features activate within minutes for immediate access to phone system, Power BI, and advanced security.
Buy NowSchedule a consultation to review your current costs and see how E5's included add-ons can save you $9/month per user while adding premium capabilities.
Schedule Free ROI AnalysisLarge deployment with 500+ users? Get a custom enterprise quote with volume pricing, migration planning, and dedicated implementation support.
Request Enterprise Quote