Microsoft Office 2021 Professional Plus | Windows

Microsoft Office 2021 Professional Plus | Windows
Microsoft Office 2021 Professional Plus (LTSC) is the popular perpetual license for professional use on Windows, supplied as a volume license. Buy once, use without a recurring subscription, no subscription – the product key and download link arrive digitally by email, usually within a few minutes.
Who is Office 2021 Professional Plus for?
For users and offices who need the full professional feature set including Access and Publisher, and who are looking for a proven, stable LTSC version with no recurring costs.
Key Benefits
- perpetual license instead of a subscription – no monthly costs
- Full professional feature set including Access and Publisher
- LTSC: stable, low-maintenance feature set
- Affordable entry into the complete Office suite
- Instant delivery of the key by email
- Invoice included.
What's New Compared to the Previous Version
- Co-authoring for working together on documents
- New Dark Mode
- New Excel features such as XLOOKUP and dynamic arrays
Included Applications
Word, Excel, PowerPoint, Outlook, OneNote, Publisher, and Access.
Not included: Teams. Access and Publisher are only available on Windows.
System Requirements
| Operating System | Windows 10 or Windows 11 |
| Memory | 4 GB RAM |
| Storage | 4 GB of free disk space |
| Graphics | Resolution of at least 1280 × 768 |
| Other | Internet connection for download and activation |
License & Activation
This volume license (LTSC) uses volume activation and is designed for 1 PC per activation. For multi-unit purchases, please note: you receive ONE product key with the corresponding number of activations. Example: with 10 licenses, you receive 1 key with 10 activations – not 10 separate keys. This applies to all LTSC items in our store.
Delivery – What You Get
- Product key by email
- Download link and installation instructions
- Invoice included.
Digital product – no physical shipping. Delivery usually within a few minutes.
Important Notes
- Windows-only version; Access and Publisher are Windows-only.
- Teams is not included in this perpetual edition.
- As an LTSC release, the feature set remains at the 2021 level.
- Please note: for digital products, the right of withdrawal may expire once delivery/execution has begun — see our Withdrawal Policy for details.
Frequently Asked Questions (FAQ)
Are Access and Publisher included?
Yes, both are part of this Professional Plus edition and run on Windows.
Is this a subscription?
No, it's a one-time perpetual license with no ongoing costs.
How does activation work for multiple units?
One key with a corresponding number of activations, not individual keys.
How many devices does one activation cover?
1 PC per activation.
How do I receive the license?
Digitally by email with the key, download link, and instructions.
Do I receive an invoice?
Yes, an invoice is included with every order.
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