Product Key Issues

How to Fix Office Professional Plus 2016 Activation Limit Reached

Maira Mehtab Sep 22, 2026 870 views

Question details

The user is unable to activate Microsoft Office Professional Plus 2016 on a new PC because the system reports that the product key has reached its maximum activation limit.

Product: Microsoft Office Professional Plus 2016
Device & OS: not provided
Scenario: Moving an existing Office installation to a new PC or attempting to reactivate the software after a hardware change.
Observed behavior: An error message appears stating that the product key has exceeded its maximum allowed activation count, preventing the software from being activated even if extra licenses were purchased.

Before you start

Gather your original purchase receipt, employer purchase program details, or volume licensing agreement information, as you will need them to verify your entitlement.

Solution 1Recommended

Verify Volume Licensing Status and Entitlement

Confirm whether your copy is a volume-licensed edition and check the activation count with your organization's administrator before purchasing new keys.

Office Professional Plus is primarily a volume-licensed product used by organizations. Activation depends heavily on the organization's specific licensing agreement and centralized activation system.

Purchasing additional standalone keys from third-party sellers for a volume-license edition often fails to resolve the issue if the core entitlement is not updated.

Identify your license origin

Determine if your copy of Office Professional Plus was provided by an employer, school, or purchased through a corporate discount program.

Contact your IT administrator

Reach out to your organization's Microsoft licensing administrator to confirm the current activation count and request an additional seat or license transfer for your new PC.

Check the Microsoft Workplace Discount Program

If you purchased the software through your employer's benefits, log into the official Microsoft Workplace Discount Program portal to verify your installation rights and download the correct installer.

Do Not Buy Extra Keys Yet: Microsoft advises against purchasing additional product keys until your current entitlement and volume license status are officially confirmed.

Solution 2

Transfer the License via Phone Activation

If you are certain you have a transferable retail or authorized key, use the automated phone system to clear the activation from the old PC.

Free Microsoft Office alternative

Switch to WPS Office for a Hassle-Free Experience

Avoid complex volume licensing limits and frustrating activation errors. WPS Office is a lightweight, completely free alternative that offers high compatibility with Microsoft Word, Excel, and PowerPoint files without the strict activation roadblocks.

1. Download the Installer: Visit the official WPS Office website and download the free installer for your operating system.
2. Install and Open: Run the installer, complete the quick setup, and immediately open your existing Microsoft Office files.
3. Edit Without Limits: Start editing, formatting, and saving your documents instantly without worrying about maximum activation counts.

No restrictive volume activation limits on the free versionHighly compatible with Microsoft Office formats including .docx, .xlsx, and .pptxLightweight installation that runs smoothly on most PCs and operating systemsFamiliar tabbed user interface for a seamless and quick transition

microsoft office alternative - wps office

Frequently Asked Questions

Why does Office Professional Plus 2016 show an activation limit error?

This edition is primarily designed for corporate environments using volume licensing. If the product key has been activated on multiple devices beyond the organization's purchased seat count, Microsoft's activation servers will block further installations.

Can I buy a new product key to bypass the activation limit?

It is highly discouraged to purchase standalone product keys for Office Professional Plus from third-party sellers. Since it is a volume-licensed product, you must verify your organization's entitlement with your IT administrator first.

How do I deactivate Office 2016 on my old computer?

Microsoft Office 2016 does not have a direct 'deactivate' button within the software. You must completely uninstall it from the old PC. If the activation server does not automatically register the removal, you may need to use the telephone activation method on the new PC to manually transfer the license.

Installation & Activation