
Office 2021 Professional Plus Activation Key - (PC)
Microsoft Office 2021 Professional Plus is the latest standalone version of Microsoft's productivity suite — designed for businesses, students, and professionals who need powerful, reliable tools without a subscription. Available in 32-bit and 64-bit, it offers modern collaboration, enhanced performance, and new intelligent features across Word, Excel, PowerPoint, Outlook, Access, and Publisher.
Important Information
By purchasing Microsoft Office 2021 Professional Plus (32/64-bit), you'll receive a genuine Microsoft license key that activates directly on the official Microsoft website.
Please activate your product key at setup.office.com before downloading Office. Do NOT download or install Office until the activation step is complete.
⚠️ This version is for Windows PCs only and not compatible with macOS.
About Office 2021 Professional Plus
Microsoft Office 2021 Professional Plus is the latest standalone version of Microsoft's productivity suite — designed for businesses, students, and professionals who need powerful, reliable tools without a subscription.
Available in 32-bit and 64-bit, it offers modern collaboration, enhanced performance, and new intelligent features across Word, Excel, PowerPoint, Outlook, Access, and Publisher.
Office 2021 brings the best of Microsoft's innovation together: real-time co-authoring, improved inking and voice tools, and a refined user interface with a clean, professional look.
Applications Included
Word 2021
Create, edit, and format documents with advanced inking, dictation, and collaboration tools.
Excel 2021
Includes new dynamic arrays, XLOOKUP, and data visualization features for smarter analysis.
PowerPoint 2021
Design professional presentations with Morph and Zoom effects, improved transitions, and 4K support.
Outlook 2021
Manage email, calendars, and contacts seamlessly across all devices.
Access 2021
Create and manage databases efficiently with enhanced performance and cloud integration.
Publisher 2021
Design and publish marketing materials such as brochures, flyers, and magazines.
Key Features & Improvements
Collaboration & Productivity
Real-time Co-Authoring to work on the same document simultaneously. Modern Comments to add, reply, and manage feedback consistently across apps. Presence Awareness to see who's working with you and where they are in the document.
Visual & Interface Enhancements
Clean Visual Refresh with simplified ribbon, rounded window corners, and modern neutral color palette. Dark Mode for easier viewing during long work sessions. Improved Accessibility Tools with built-in support for dictation and screen readers.
New Excel Capabilities
XLOOKUP to quickly find values within tables or ranges. Dynamic Arrays with six new functions (FILTER, SORT, SORTBY, UNIQUE, SEQUENCE, RANDARRAY). Improved Performance with faster calculations and pivot table updates.
Cloud & Device Integration
Integrated with OneDrive, SharePoint, and Microsoft Teams for cloud-based file sharing. Click-to-Run (C2R) installation technology ensures faster setup, lower bandwidth use, and automatic security updates.
Why Choose Office 2021 Pro Plus
- • Lifetime License – One-time purchase, no subscription required
- • Enterprise-Grade Tools – Ideal for business, freelancers, and home offices
- • Offline & Online Access – Full desktop functionality with cloud integration
- • Optimized for Windows 10 & 11 – Designed for modern systems and hardware acceleration
- • Enhanced Security – Monthly security patches and malware protection built-in
Compatibility
- • Windows 11 (all editions)
- • Windows 10 (32/64-bit)
⚠️ Not compatible with Windows 8, Windows 7, or macOS.
Lifetime License Policy
This is a perpetual license — not a subscription. Once activated, the license is valid for lifetime use on one PC.
You can reinstall or transfer it to another device after deactivation.
Enjoy full functionality forever, including offline access to all apps.
What You'll Receive
When you purchase Office 2021 Professional Plus (32/64-bit) from KeyHubOnline, you'll receive:
- • 1 Genuine Microsoft Activation Key (valid for 1 PC)
- • Official download link for Office 2021 (32/64-bit)
- • Step-by-step installation guide
- • Free lifetime technical support
- • Digital invoice
Note: Delivery is instant via email — no physical shipping or environmental impact.
Warranty & Authenticity
All licenses are official Microsoft retail keys, verified through Microsoft servers.
If activation fails, you'll receive a full refund guarantee — no questions asked.
Business & Affiliate Programs
Are you a reseller or IT distributor? Contact support@keyhubonline.com for bulk licensing and B2B discounts.
Key Features & Benefits
Real-time Collaboration
Real-time co-authoring to work on the same document simultaneously with team members. Modern Comments for consistent feedback management across Word, Excel, and PowerPoint. Presence Awareness to see who's working with you and track their location in documents.
Advanced Excel Features
XLOOKUP to quickly find values within tables or ranges. Dynamic Arrays with six new functions: FILTER, SORT, SORTBY, UNIQUE, SEQUENCE, RANDARRAY. Improved performance with faster calculations and pivot table updates for smarter data analysis.
Modern Visual Design
Clean Visual Refresh with simplified ribbon, rounded window corners, and modern neutral color palette. Dark Mode for comfortable viewing during long work sessions. Improved accessibility tools with built-in dictation and screen reader support.
Cloud Integration
Integrated with OneDrive, SharePoint, and Microsoft Teams for cloud-based file sharing. Click-to-Run (C2R) installation for faster setup and automatic security updates. Full offline and online access with seamless device synchronization.
Frequently Asked Questions
How do I activate Office 2021 Professional Plus?
Please activate your product key at setup.office.com before downloading Office. Do NOT download or install Office until the activation step is complete. Sign in with your Microsoft account and enter your key.
Is this a lifetime license?
Yes. This is a perpetual license — not a subscription. Once activated, the license is valid for lifetime use on one PC with full functionality forever, including offline access to all apps.
Can I transfer the license to another computer?
Yes, you can reinstall or transfer it to another device after deactivation from the previous PC.
What Windows versions are supported?
Compatible with Windows 11 (all editions) and Windows 10 (32/64-bit). Not compatible with Windows 8, Windows 7, or macOS.
Is it compatible with macOS?
No. This version is for Windows PCs only and not compatible with macOS. For Mac, choose Office 2021 Home & Business for Mac.
What applications are included?
Includes Word 2021, Excel 2021, PowerPoint 2021, Outlook 2021, Access 2021, and Publisher 2021.
What new features does Office 2021 include?
Real-time co-authoring, Modern Comments, Presence Awareness, XLOOKUP in Excel, Dynamic Arrays with six new functions (FILTER, SORT, SORTBY, UNIQUE, SEQUENCE, RANDARRAY), Morph and Zoom effects in PowerPoint, Clean Visual Refresh with Dark Mode, improved accessibility tools, and enhanced cloud integration.
Does it support both 32-bit and 64-bit?
Yes, Office 2021 Professional Plus is available in both 32-bit and 64-bit versions.
Can I use it offline?
Yes, Office 2021 Professional Plus provides full offline & online access with complete desktop functionality and optional cloud integration.
Does it include cloud storage?
Office 2021 integrates with OneDrive, SharePoint, and Microsoft Teams for cloud-based file sharing and collaboration, but cloud storage is sold separately.
What will I receive after purchasing?
You'll receive: 1 Genuine Microsoft Activation Key (valid for 1 PC), Official download link for Office 2021 (32/64-bit), Step-by-step installation guide, Free lifetime technical support, and Digital invoice. Delivery is instant via email.
Is this a genuine Microsoft license?
Yes, all licenses are official Microsoft retail keys, verified through Microsoft servers. If activation fails, you'll receive a full refund guarantee — no questions asked.


