Microsoft Office 2021 Professional plus 5PC/User

Buy Microsoft Office 2021 Professional Plus License for 5 PC - Lifetime Activation

Microsoft Office 2021 Professional Plus is the most complete standalone productivity suite for Windows. Now available for 5 PCs under a single one-time payment. No subscription, no per-seat monthly fees, no renewal ever. Whether you're equipping a small business team, a multi-PC home office, or a school department, this 5-device license gives every machine the full professional suite: Word, Excel, PowerPoint, Outlook, OneNote, and Access permanently owned, instantly delivered. At MicrosoftSoftwareSwap, every key is 100% genuine, sourced through a certified Microsoft Gold Partner, and delivered within seconds to your email inbox. All 5 activations are covered by our 30-day replacement warranty and free 24/7 support.

What's Included in Microsoft Office 2021 Professional Plus?

All 5 PCs/devices receive the complete Professional Plus suite:

• Microsoft Word 2021: Create professional documents with real-time co-authoring, Dark Mode, new Draw tab tools (Point Eraser, Ruler,
  Lasso), and updated stock media from the Office Premium Creative Content library.
• Microsoft Excel 2021: Powerful data analysis with new functions including XLOOKUP, XMATCH, LET,
  and STOCKHISTORY, expanded dynamic arrays, new chart types, and faster SUMIF / COUNTIF / AVERAGEIF calculations.
• Microsoft PowerPoint 2021 — Design compelling presentations with new slide transitions, improved co-authoring, Sketched style shapes, expanded 3D model support, and a richer stock media library.
• Microsoft Outlook 2021: Manage email, calendar, and contacts with smarter search, improved performance, and a cleaner Fluent Design interface.
• Microsoft OneNote 2021: Your digital notebook for meeting notes, ideas, and project plans, synced across devices and downloadable from the Microsoft Store for all Windows machines.
• Microsoft Access 2021: Build and manage relational databases with powerful query, form, and reporting tools. Exclusive to Professional Plus, not available in Home & Business or Home & Student editions.

Note: Microsoft Publisher was retired in 2026 and is not included in this or any current Office suite. Microsoft Teams is a free separate download. It is not bundled with this license. This suite is Windows-only and is not compatible with macOS, Android, or Chromebooks.

Who Is the Office 2021 Pro Plus 5 PC User License Key For?

• Small businesses: Equip up to 5 team members with the full professional suite under a single purchase, without a Microsoft 365 subscription.
• Remote and hybrid teams: Give every team member a fully licensed, offline-capable Office installation on their Windows PC.
• Schools and educators: License up to 5 student or faculty workstations cost-effectively with a perpetual, subscription-free suite.
• Multi-PC households: Cover every Windows computer in the home — desktops, laptops, and workstations — under one license.
• IT professionals: Manage multiple client devices or workstations efficiently with a single 5-device bundle.

License Details

System Requirements

Each of the 5 devices must meet these minimum requirements for MS Office 2021 Pro Plus. Full details are available on Microsoft's official Office 2021 system requirements page.

How to Download Office 2021 Pro Plus 5 PC, Install and Activate

Repeat these steps on each of the 5 Windows PCs for activation:

1. Check your email: Your MicrosoftSoftwareSwap order mail contains your product key, the official Microsoft download link, and full activation instructions.
2. Download the installer: Use the provided link to download the official Office 2021 setup file directly from Microsoft's servers.
3. Run the setup wizard: Open the installer and follow the on-screen prompts to complete the installation on that device.
4. Enter your product key: Activate online or by phone when prompted. Each device is activated independently.
5. Repeat on remaining devices: Complete the same steps on each remaining PC. There is no expiry on unused activations within this license.

Need help? Our 24/7 support team is available by email and Discord to guide you through activation on every device at no extra charge.

MS Office 2021 Pro Plus 5 PC License vs. Buying 5 Separate Licenses

Looking for the latest Office version with support through October 2029? See our Office 2024 Professional Plus, Microsoft's current standalone release with the newest features.

Why Buy Office 2021 Lifetime License Keys from MicrosoftSoftwareSwap?

• 100% Genuine Keys: Sourced from a certified Microsoft Gold Partner, activating directly on Microsoft's own servers.
• Instant Email Delivery: Your key(s), download link, and invoice arrive within seconds of payment.
• 30-Day Warranty on All 5 Activations: Every device covered. We replace any failing key immediately at no cost.
• Free 24/7 Support: Expert activation help for every device, always available.
• No Subscription, No Renewals: Pay once, own it forever across all 5 PCs.
• Secure Checkout: Encrypted payment with multiple trusted payment options.