Office 2021 Professional Plus Key (5 PCs)

What you get

After payment you receive one Office 2021 Professional Plus product key for five PCs by email, instantly in most cases (a system delay can occasionally add 5–10 minutes). The email includes the download link and step-by-step activation instructions for this key, and the key is also saved under My Account → Keys.

Office 2021 support ends on 13 October 2026

Microsoft’s support end date for Office 2021 is 13 October 2026. After that date Office keeps working, but Microsoft no longer releases security updates or bug fixes for it. If you want updates until 2029, see Office 2024 Professional Plus.

What’s included

• Word, Excel, PowerPoint, Outlook, OneNote, Access and Publisher 2021
• One key that activates Office on up to five Windows 10 or Windows 11 PCs
• Licensed for business use

Who it’s for

Small offices and families with several Windows PCs: one purchase and one key instead of five separate orders. For a single PC, see our Office 2021 Professional Plus key.

If activation fails

Follow the instructions in your email step by step on each PC. If a PC doesn’t activate, contact us within 15 days of your order, on live chat or at support@cheapkeys.io. We’ll fix it or replace the key, and if no working solution is possible, you get a refund under our refund policy.

System requirements (each PC)

• Operating system: Windows 10 or Windows 11
• Processor: 1.1 GHz or faster, 2 cores
• Memory: 4 GB RAM (2 GB for 32-bit)
• Disk space: 4 GB available
• Display: 1280 × 768 resolution
• An internet connection to download and activate

Specifications

Frequently asked questions

Do I get five keys?

No. You get one key that activates Office on up to five PCs.

Is it a subscription?

No. You pay once and keep using it.

Does it work on a Mac?

No, Professional Plus is Windows only.

Will it stop working after 13 October 2026?

No. It keeps working; only Microsoft’s security updates stop.

What if my key doesn’t work?

Contact us within 15 days of your order. We fix it or replace the key, or refund you if no working solution is possible.