This Microsoft Office Professional Plus 2021 key is meant for a single Office installation on a PC. However, you can link the key to a Microsoft account for unlimited re-installs on different PCs, provided only one installation is active at any time. Not compatible with Mac OS, multiple keys can be tied to one account, and activation can be done via office.com/myaccount. 

 

Product Overview:  

This retail product key is for Microsoft Office Professional Plus 2021, enabling lifetime activation on one PC. It’s the top-tier retail key that links to your Microsoft account for unlimited reinstallations, even on a different PC, with only one active installation at a time. 

Office Professional Plus 2021 facilitates collaboration with features like co-authoring, shared notebooks, and simplified sharing alongside the familiar Office applications. 

Included in Microsoft Office Professional Plus 2021 are Word, Excel, PowerPoint, OneNote, Outlook, Publisher, Access, Skype, and OneDrive. 

 

System Requirements: 

• Microsoft account and internet access needed 

• Compatible with Windows 11 and Windows 10 

• Processor: 1.6 GHz, 2 cores 

• RAM: 4 GB (2 GB for 32-bit) 

• Disk space required: 4 GB 

• Screen resolution: 1280×768 or higher Learn More