Product Key Issues

How to Reinstall Office 2016 Professional Plus After Windows Format

Maira Mehtab Sep 28, 2026 869 views

Question details

The user needs to reinstall and activate Microsoft Office 2016 Professional Plus on an HP ProBook after the laptop's hard drive was formatted and Windows was reinstalled.

Product: Microsoft Office 2016 Professional Plus
Device & OS: Windows (HP ProBook)
Scenario: Recovering and reinstalling a previously activated Office suite after a clean installation or system format of Windows.
Observed behavior: Windows activated automatically because its digital license is tied to the hardware, but Office 2016 did not activate because its license requires separate authentication or a product key.

Before you start

Gather any original purchase receipts, emails, or school/employer documentation you received when you first acquired the HP ProBook, as Office Professional Plus is typically a volume license.

Solution 1Recommended

Locate Your Office 2016 Product Key or Digital License

Verify how the Office suite was originally purchased or licensed to find the activation key necessary for reinstallation.

Office 2016 Professional Plus is generally distributed through volume licensing for enterprises, schools, and organizations. Unlike Windows 10/11, its activation is rarely tied to your motherboard's BIOS.

Check your Microsoft Account

Open your web browser and navigate to account.microsoft.com. Log in using the email address associated with your original Office setup. Click on 'Services & subscriptions' at the top to see if your Office 2016 license is linked there.

Review school or employer licensing

Since Professional Plus is a volume license edition, contact the IT department of the school or organization that provided the laptop. They manage the Volume Licensing Service Center (VLSC) and will need to provide you with the correct installation media and Multi-Activation Key (MAK).

Check original packaging

If you purchased a physical copy, look for the product key on the Certificate of Authenticity (COA) sticker inside the original box or on a card provided by the retailer.

Volume Licensing Limitations: If your license was provided by a former school or employer, it may have expired or been revoked upon your departure, meaning it can no longer be activated.

Solution 2

Request Specialized Support from Microsoft Q&A

If you cannot find the product key using standard methods, consult Microsoft licensing experts for specialized assistance.

Free Microsoft Office alternative

Try WPS Office: A Free and Compatible Alternative to Office 2016

If you are unable to recover your Office 2016 Professional Plus product key after formatting your HP ProBook, consider switching to WPS Office. It provides a lightweight, free alternative with a familiar interface and excellent compatibility with your existing documents.

1. Download the installer: Visit the official WPS Office website and click the free download button for Windows.
2. Install the software: Run the downloaded executable file and follow the simple on-screen instructions to install the suite on your PC.
3. Open and edit your files: Launch WPS Writer, Spreadsheet, or Presentation to immediately start working on your old Office 2016 files without needing an activation key.

Highly compatible with Microsoft Word, Excel, and PowerPoint formats (.docx, .xlsx, .pptx).Free to use without requiring complex volume licensing or expensive product keys.Lightweight installation that won't slow down your freshly formatted Windows PC.Familiar user interface for a seamless transition from Office 2016.

microsoft office alternative - wps office

Frequently Asked Questions

Why did Windows activate automatically but Office 2016 didn't?

Modern Windows operating systems use digital entitlements that are permanently tied to your device's motherboard hardware (BIOS/UEFI). Microsoft Office licenses, especially Professional Plus, require a separate 25-character product key or an active subscription linked to a Microsoft Account to activate.

Can I retrieve my Office 2016 product key from my formatted hard drive?

Once a hard drive is fully formatted and Windows is reinstalled, the registry entries that stored the Office product key are erased. Without a backup or professional data recovery services, the key cannot be extracted from the wiped drive.

What exactly is Office 2016 Professional Plus?

Office 2016 Professional Plus is a specialized volume-license edition of Microsoft Office. It is typically sold in bulk to businesses, enterprises, or educational institutions, rather than to individual retail consumers, which is why it often requires IT department assistance to activate.

Installation & Activation