Photograph of a person seated at a table in a conference room working on a tablet with a stylus. There is another person seated at the table and another person standing in the background. They both have laptops.

Office 365 E3

Office 365 E3 is a cloud-based suite of productivity apps and services with information protection and compliance capabilities included.

• Install Office mobile apps on up to five PCs or Macs, five tablets, and five phones per user.
• Protect information with message encryption, rights management, and data loss prevention for email and files.
• Safeguard corporate data by allowing more secure access to company resources and enabling safe sharing of sensitive information inside and outside your organization.
• Facilitate legal compliance and email archiving with eDiscovery and mailbox hold.


£17.60 user/month
annual commitment
Price does not include VAT.
Overview Requirements FAQs

Move your business ahead

Get the latest Office desktop and mobile apps2, plus integrated collaboration services, coupled with advanced compliance features and full IT power. 

Office 365 E3 includes

Benefits unique to Office 365 E3 and Office 365 E5

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    Exchange Online

    Work smarter with 100 GB of business-class email and calendaring. Learn more

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    OneDrive for Business

    Access 1-5+ TB of personal cloud storage from anywhere, on any device.1 Easily share documents with others inside and outside your organization and control who can see and edit each file. Learn more

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    Information Protection

    Protect information with basic Office message encryption and Office 365 Data Loss Prevention for emails and files.

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    Additional compliance capabilities

    Add to your compliance capabilities with Core eDiscovery and basic audit.

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    SharePoint Online

    Share and manage content, knowledge, and apps with SharePoint Online storage. Empower teamwork, quickly find information, and seamlessly collaborate across the organization. Learn more

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    Simplify how customers schedule and manage appointments. Learn more

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    Azure Information Protection

    Control and help secure email, documents, and sensitive data that you share outside your company. Learn more



Shared Office 365 features

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    Office 365 apps

    Install Office 365 apps, such as Word, Excel, PowerPoint, OneNote (PC only), and Access (PC only), on up to five PCs or Macs, five tablets, and five phones per user.

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    Office 365 mobile apps2

    Use Office 365 apps designed for mobile devices and tablets.

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    Connect and stay organized with email, calendar, and contacts all in one place. Learn more

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    Microsoft Teams

    Chat, meet, share files, and use business apps within a shared workspace. Learn more

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    Office 365 Groups

    Use this service, along with the Office 365 tools you already use, to collaborate with teammates when writing documents, creating spreadsheets, working on project plans, scheduling meetings, or sending email. Learn more

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    Skype for Business Online

    Get your team together easily by sharing a link. Learn more

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    Microsoft Stream

    Upload, organize and share intelligent video content companywide. Learn more

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    Power Apps

    Build the business apps you need and extend or customize the apps you already use. Learn more

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    Power Automate

    Make repetitive tasks easy with workflow automation. Learn more

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    Microsoft To Do

    Plan your day and manage your life. Learn more

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    Explore your work patterns with MyAnalytics and learn ways to work smarter by improving your focus, well-being, network, and collaboration. Learn more

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    Group policy support, Office telemetry, roaming settings

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    On-premises Active Directory sync for single sign-on (SSO)

    Learn more

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    CDS Project Oakdale

    Build with confidence on a low-code database for Teams. Learn more

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    Multilingual user interface for Office 365 apps

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    Office apps for the web

    Create, share, and collaborate from wherever you are.

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    Office Delve

    Manage your Office 365 profile with Delve. Plus, discover and organize the information that's most relevant to you right now across all your Office apps. Learn more

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    Microsoft Whiteboard

    Collaborate on ideas and content with a freeform digital canvas, now integrated with Microsoft Teams. Learn more

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    Connect and engage with enterprise social networking. Learn more

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    Microsoft Sway

    Create visually striking newsletters, presentations, and documents in minutes. Learn more

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    Microsoft Forms

    Easily create surveys, quizzes, and polls. Learn more

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    Microsoft Planner

    Organize teamwork, create new plans, assign tasks, share files, chat, and get updates on progress. Learn more

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    Microsoft Shifts

    Enable Firstline Workers and their managers to manage schedules and keep in touch using their mobile devices. Learn more

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    Microsoft Graph API

    Access Microsoft Cloud service resources with this RESTful web API. Learn more

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    Shared computer activation

    Learn more

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    Facilitate legal compliance with email archiving, content search, basic audit, manual retention policies and sensitivity labels.



Add-on services

Calling Plan

Subscribe to Calling Plan from Office 365 and use existing phone numbers or get new ones.4

Audio conferencing

Dial in to a meeting with a local access number or use single-touch join options on PC or mobile devices.3

Modern voice with Phone System

Make, receive, and transfer business calls from anywhere, using any device.

Get more done with Microsoft 365

Harness the power of the cloud

Microsoft 365 uses the power of the cloud to help people and organizations be more productive.

Office 365 vs. Microsoft 365

Discover which solution will meet your organization’s needs.

Upgrade to Microsoft 365 E3

Microsoft 365 E3 helps you enhance workplace productivity and drive innovation, securely.

1. Unlimited OneDrive storage for subscriptions of five or more users. Microsoft will provide initial 5 TB of OneDrive storage per user. Customers who want additional OneDrive storage can request it as needed by contacting Microsoft support. Subscriptions for fewer than five users receive 1 TB OneDrive storage per user.
2. Availability of mobile apps varies by country/region.
3. Availability of Audio Conferencing varies by region. See current International Availability.
4. Availability of Calling Plan varies by region. See current International Availability.