Microsoft 365 E3 Subscription Key – 1-Year Subscription for Business Productivity & Security
Microsoft 365 E3 is a powerful all-in-one productivity and security solution designed for modern businesses, remote teams, and enterprise environments. With a 1-year subscription key, organizations gain access to the latest Microsoft Office apps, cloud services, enterprise-grade security, and advanced IT management tools — optimized for collaboration, compliance, and scalability.
Whether you're managing a startup or overseeing a large organization, Microsoft 365 E3 empowers your workforce with professional tools to create, communicate, and protect data — across multiple devices and platforms.
Key Features of Microsoft 365 E3:
✔ Premium Office Applications: Always up-to-date versions of Microsoft Word, Excel, PowerPoint, Outlook, OneNote, Publisher (PC only), and Access (PC only). Accessible via desktop, browser, and mobile apps.
✔ Business-Class Email and Calendars: Each user gets a 100GB mailbox via Microsoft Exchange and access to advanced calendaring tools for team scheduling and organization.
✔ 1TB OneDrive for Business Cloud Storage: Every user receives secure, cloud-based storage with file versioning, sharing controls, and anytime access from any device.
✔ Enterprise-Level Security: Microsoft 365 E3 includes Microsoft Purview Information Protection, Data Loss Prevention (DLP), Conditional Access, and Microsoft Defender to help safeguard business data and reduce risk.
✔ Device and App Management: Use Microsoft Intune and Azure Active Directory to manage users, assign permissions, secure devices, and deploy apps from a central admin console.
✔ Supports Multi-Device Use: Each user can install Office apps on up to 5 PCs or Macs, 5 tablets, and 5 smartphones — ensuring seamless productivity across platforms.
✔ Scalable Plan Options: Available as a 1-year subscription key for either 5 users or 100 users, perfect for growing teams or full-scale enterprises.
Note: The 100-user subscription key cannot be activated in Europe due to regional restrictions.
✔ Automatic Updates & Cloud-Driven Innovation: Get continuous improvements, new features, and security enhancements — with no additional cost or manual installs.
Internet access is required for activation, cloud storage, and ongoing updates.
Who Should Use Microsoft 365 E3?
This subscription is ideal for:
- Small-to-large businesses needing secure collaboration tools and device management
- Organizations with remote or hybrid teams
- IT administrators looking for centralized user, app, and device control
- Companies with compliance or data protection requirements
Why Buy Microsoft 365 E3 from Onumeric?
✔ Instant Delivery & Trusted Service
- Receive your 1-year Microsoft 365 E3 subscription key via email within minutes.
- Choose between 5-user and 100-user subscription keys to suit your business size.
✔ Competitive Pricing
Save more with Onumeric’s unbeatable prices and no hidden fees — all while receiving the same official Microsoft 365 experience.
✔ Expert Support
Our team is ready to assist you with installation, setup, and user onboarding. Need help assigning users or managing your cloud services? Contact us here.
✔ Trusted by Professionals Worldwide
Join thousands of businesses that rely on Onumeric for fast, secure software solutions. Read our verified reviews on Trustpilot and experience top-rated customer satisfaction.
Optimize Your Business Workflow Today
Microsoft 365 E3 helps you do more — securely, efficiently, and at scale. From daily productivity to data protection, it’s the all-in-one toolkit for forward-thinking businesses. Activate your 1-year subscription key from Onumeric and elevate your team's capabilities today.
