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 Microsoft 365 for mobile 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 e-discovery and mailbox hold.

System requirements >
CAD $30.60 user/month
Annual subscription—auto renews1
Plus applicable tax

Move your business ahead

Get the latest Microsoft 365 desktop and mobile apps, plus integrated enterprise 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

  • Exchange Online

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

  • Microsoft OneDrive for work

    Access 1-5+ TB of personal cloud storage from anywhere, on any device.3 Easily share documents with others inside and outside your organization and control who can see and edit each file.

  • Microsoft Purview Information Protection

    Protect information with basic Microsoft 365 message encryption and Microsoft 365 Data Loss Prevention (for emails and files).

  • Additional compliance capabilities

    Add to your compliance capabilities with eDiscovery and basic audit.

  • SharePoint Online

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

Shared Office 365 features

  • Microsoft 365 apps

    Install Microsoft 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.8

  • Microsoft 365 for mobile

    Use Microsoft 365 apps designed for mobile devices and tablets.

  • Outlook

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

  • Microsoft Teams

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

  • Microsoft 365 Groups

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

  • Microsoft Stream

    Upload, organize and share intelligent video content companywide.

  • Power Apps for Microsoft 365

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

  • Power Automate for Microsoft 365

    Make repetitive tasks easy with workflow automation.

  • Power Virtual Agents for Teams

    Respond to business needs with custom chatbots for Teams.

  • Dataverse for Teams

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

  • Microsoft To Do

    Plan your day and manage your life.

  • Microsoft Viva Insights (personal insights)

    Help employees thrive with data-driven, privacy-protected insights and personal wellbeing experiences.

  • Microsoft Viva Connections

    Keep employees engaged and informed with a modern engagement experience.

  • Group policy support, Microsoft 365 telemetry, roaming settings

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

  • Multilingual user interface for Microsoft 365 apps

  • Microsoft 365 on the web

    Create, share, and collaborate from wherever you are.

  • Microsoft Delve

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

  • Microsoft Whiteboard

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

  • Yammer

    Connect and engage with enterprise social networking.

  • Sway

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

  • Microsoft Forms

    Easily create surveys, quizzes, and polls.

  • Microsoft Planner

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

  • Microsoft Shifts

    Enable frontline workers and their managers to manage schedules and keep in touch using their mobile devices.

  • Microsoft Graph

    Use this unified programmability model to access data to build apps for organizations and consumers that interact with millions of users.

  • Shared computer activation

  • Compliance

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

  • Microsoft Viva Engage (community and conversations)

    Build meaningful relationships at work by giving employees a place to connect, express themselves, and find belonging.

  • Visio for the web

    Create, edit, share, and coauthor professional diagrams and flowcharts with Visio for the web.

Add-on services

Calling plan

Subscribe to a calling plan from Microsoft 365 and use existing phone numbers or get new ones.9

Microsoft Teams Audio Conferencing

Dial in to a meeting with a local access number or use single-touch join options on PC or mobile devices.9

Microsoft Teams Phone Standard

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

Microsoft Viva Insights (manager and leader insights)

Understand the impact of work patterns on employee wellbeing and business outcomes. Default safeguards protect individual privacy.

Microsoft Viva Learning

Seamlessly integrate access to learning content into the places employees already spend their time.

Microsoft Viva Topics

Add AI-driven content organization and discovery, making it easy for people to find information and put knowledge to work across your organization.

Microsoft Priva Privacy Risk Management

Help identify and protect against privacy risks, and automate and manage subject requests at scale.

Help reduce costs with Microsoft 365


Cut licensing costs by more than 60 percent per user compared to a patchwork of point solutions through consolidation using Microsoft 365 E3.4


Automate system updates and help reduce IT management cost by up to 40 percent5 and time spent on device management by as much as 25 percent4 with Windows 11 Enterprise and Microsoft 365 E3.


Enable a Zero Trust security model to reduce data breach risk by as much as 50 percent6 and overall IAM security management time by as much as 50 percent7 with Microsoft 365 security solutions.

Get more done with Microsoft 365

Help people and teams do their best work

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

Securely enhance workplace productivity and drive innovation with Microsoft 365 E3.

Deployment resources

Get information on Microsoft 365 planning, deployment, and more.

  1. Once your paid subscription begins, cancellation policies vary based on your status as a new customer, product, and domain selections on Microsoft. Learn more. Cancel your Microsoft 365 subscription any time in the Microsoft 365 admin center. When a subscription is cancelled, all associated data will be deleted. Learn more about data retention, deletion, and destruction in Microsoft 365.
  2. After your one-month free trial ends, your subscription will automatically convert into a 12-month paid subscription and you will be charged the applicable subscription fee. Cancel anytime during your free trial to stop future charges. A credit card is required to sign up. Learn more.
  3. 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.
  4. Forrester Consulting, The Total Economic Impact™ of Microsoft 365 E3, commissioned by Microsoft, October 2022. Results are for a composite organization based on 15 customers as stated in the linked study.
  5. Enterprise Strategy Group, Exploring the Economic Benefits of Windows 365, commissioned by Microsoft, June 2022.
  6. Forrester Consulting, The Total Economic Impact™ of Zero Trust Solutions From Microsoft, commissioned by Microsoft, December 2021. Results are for a composite organization based on 5 customers as stated in the linked study.
  7. Forrester Consulting, The Total Economic Impact™ of Microsoft 365 E5, commissioned by Microsoft, December 2020. Results are for a composite organization based on 10 customers as stated in the linked study.
  8. Availability of mobile apps varies by country/region.
  9. Availability of Audio Conferencing and Calling plans varies by country/region. See countries and regions that are supported for more information.