Buy the genuine perpetual license with fast delivery of the product key

Microsoft Office 2021 Professional Plus is the complete productivity suite for Windows, with a perpetual license (no expiry). It includes every professional application: Word, Excel, PowerPoint, Outlook, Access, Publisher and OneNote. Buying from Licensel, you receive your genuine product key within minutes, with always free support via Live Chat and email.

If you need the Office package for Mac, click here.

What Office 2021 Professional Plus includes

• Word → creating professional documents with real-time co-authoring and advanced grammar checking
• Excel → advanced spreadsheets with the new XLOOKUP, LET, UNIQUE, SORT and FILTER functions for more efficient data analysis
• PowerPoint → professional presentations with new recording tools, ink support and improved transitions
• Outlook → email, calendar and contacts with improved search and an updated interface
• Access → building and managing relational databases to organise and analyse large volumes of data
• Publisher → creating publications, brochures and marketing material with professional layouts
• OneNote → digital notebook for notes, annotations and organising research and projects
• OneDrive → 5 GB of cloud storage included

Office 2021 editions compared

License type → Retail

The Retail license is linked to the device it is activated on. You receive a product key you can use to activate Office on 1 Windows PC. The license is perpetual: you pay once and use the software with no expiry. Also available in 5- and 10-PC packs for anyone who needs more installations.

What is new in Office 2021

Office 2021 brings significant improvements over the previous versions: the new dynamic functions in Excel (XLOOKUP, LET, UNIQUE, SORT, FILTER), real-time co-authoring without needing a Microsoft 365 subscription, new drawing and recording tools in PowerPoint, and advanced grammar checking in Word. Microsoft support for Office 2021 runs until 14 October 2026.

Office 2021 vs Microsoft 365

System requirements

Microsoft Office 2021 Professional Plus is compatible with Windows 10 and Windows 11. For detailed requirements, see the "Requirements" tab on the product page.

Licensel: Microsoft Certified Partner

Licensel is a Microsoft Certified Partner, which means we operate as an authorised reseller of Microsoft software licenses. This certification assures our customers that every product purchased is genuine and comes from official Microsoft channels, and that our team holds the certified technical skills to provide qualified assistance with activation and use. Choosing a Microsoft certified partner means relying on a recognised and guaranteed reseller.

Why buy Microsoft Office 2021 Professional Plus from Licensel

• Genuine perpetual license → pay once, use forever
• Fast delivery → you receive your product key within minutes
• Always free support → help via Live Chat and email
• Microsoft Certified Partner → genuine licenses from official channels
• Multi-device packs available → 1, 5 or 10 PCs for every need
• Trusted Shops guarantee → partner shop with the official buyer guarantee

How to buy and activate Microsoft Office 2021 Professional Plus

After your purchase on Licensel, you receive by email your product key and the instructions for download and activation. The process is simple and quick: you download the software, enter the product key and complete activation within minutes. If you need help, our support team is always at your disposal free of charge.