Office 2016 Professional Plus Key

What you get

After payment you receive a 25-character Office 2016 Professional Plus product key by email, instantly in most cases (a system delay can occasionally add 5–10 minutes). The email includes the link to Microsoft’s website and our step-by-step installation guide, and the key is also saved under My Account → Keys.

What’s in Office 2016 Professional Plus

• Word, Excel and PowerPoint for documents, spreadsheets and presentations
• Outlook for email, calendar and contacts
• OneNote for notes
• Access for databases
• Publisher for flyers, brochures and newsletters

Office 2016 introduced the Tell Me search box, Smart Lookup, real-time co-authoring in Word with OneDrive, Get & Transform (Power Query) and Forecast Sheet in Excel, and new Excel charts: waterfall, histogram, Pareto, box and whisker, treemap and sunburst.

Office 2016 support status

Microsoft ended support for Office 2016 on 14 October 2025. It still installs, activates and works, but Microsoft no longer releases security updates or fixes for it. Office 2016 is the lowest-cost way to get the full Office on a PC; if you need a supported version, see Office 2021 Professional Plus or Office 2024 Professional Plus.

License and activation

This is a retail Office 2016 Professional Plus key for one PC. You redeem it on Microsoft’s official website, setup.office.com, with your Microsoft account, then download Office from Microsoft and activate it online. Because the key is redeemed to your Microsoft account, the download stays available in your account.

Is it genuine? Why is it so cheap?

Yes. It’s a genuine Microsoft key that you redeem and activate on Microsoft’s own website. We buy unused keys from companies that purchase Microsoft licenses in large batches and have more than they need, and we pass that lower price on to you.

The key you receive is exactly the one described here: a retail Office 2016 Professional Plus key for one PC, activated online.

How to install and activate Office 2016 Professional Plus

1. Uninstall any other version of Office on the PC, including trial versions that came with it.
2. Go to setup.office.com, select Get Started and sign in with your Microsoft account (or create one for free).
3. Enter your product key, choose your language and select Redeem.
4. Download Office from your account and run the installer.
5. Open Word and sign in with the same Microsoft account if asked. If the activation wizard appears, choose “I want to activate the software over the Internet”.

The full guide: Office 2016 installation and activation guide.

If activation fails

• “This product key can’t be used”: check that you typed the key exactly as in the email and that no other Office version is installed.
• Office asks for a key again after installing: sign in with the Microsoft account you used to redeem the key.
• Anything else: 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.

Office 2016, 2019 or 2021?

See also Office 2019 Professional Plus and, for several computers, Office 2016 Professional Plus (5 PCs).

System requirements

• Operating system: Windows 10 or Windows 11
• Processor: 1 GHz or faster
• Memory: 2 GB RAM
• Disk space: 3 GB available
• Display: 1280 × 800 resolution
• An internet connection and a Microsoft account to redeem, download and activate

Specifications

Frequently asked questions

Does Office 2016 still work?

Yes. It installs, activates and works as before. Since 14 October 2025 Microsoft no longer releases security updates for it.

Does it work on Windows 11?

Yes. Office 2016 Professional Plus installs and runs on Windows 10 and Windows 11.

Is it a subscription?

No. You pay once and keep using Office 2016.

Does it work on a Mac?

No. Professional Plus is for Windows only.

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.