How to Verify Office 2019 Professional Plus Volume License Keys
Question details
Need to confirm the authenticity and authorized seat count of a Microsoft Office 2019 volume license.

- Product
- Microsoft Office 2019 Professional Plus
- Device & OS
- not provided
- Scenario
- Verifying license authenticity and seat entitlements (e.g., 134 licenses) for an institutional purchase or legal audit.
- Observed behavior
- Requires confirmation of whether a sold volume license is genuine and covers the specified number of entitlements.
Ensure you have the organization's Volume Licensing Service Center (VLSC) login credentials, or the relevant invoice and licensing agreement numbers before starting.
Verify via the Volume Licensing Service Center (VLSC)
The VLSC is the official Microsoft portal for managing volume licensing agreements and checking license entitlements.
This is the most direct and accurate method for organizations to independently verify their license authenticity and seat counts.
Go to the Microsoft Volume Licensing Service Center website and sign in with the work or school account associated with the licensing agreement.
Click on the 'Licenses' tab in the top navigation menu, then select 'Relationship Summary'.
Locate the specific agreement for Office 2019 Professional Plus and click on the License ID to view the exact number of authorized seats and authenticity details.

Contact a Microsoft Distributor or Reseller
If direct VLSC access is unavailable, the enterprise licensing reseller who sold the software can provide verification.
Contact Microsoft Support Directly
Microsoft Support can assist in verifying volume license authenticity, which is especially useful for legal or auditing purposes.
Switch to WPS Office for Simplified Software Management
Avoid the complexities of managing and auditing Microsoft volume licenses. WPS Office provides a highly compatible, cost-effective, and easy-to-manage alternative for businesses and public institutions.
- 1. Download WPS Office: Visit the official WPS Office website and download the enterprise or free version installer.
- 2. Install the software: Run the installation package and follow the straightforward setup wizard.
- 3. Open and edit files: Launch WPS Office to immediately begin opening and editing your existing Microsoft Office documents with seamless compatibility.

Frequently Asked Questions
Who has access to verify a Microsoft Volume License?
Only designated administrators or users explicitly granted permissions by the organization's primary contact can view license details in the Volume Licensing Service Center (VLSC).
Can I check a volume license key authenticity without a Microsoft account?
No, you generally cannot verify it independently without logging into the VLSC. You will need to contact the authorized reseller or Microsoft Support for assistance.
Where can I find my Volume License agreement number?
Your agreement or enrollment number is typically found on the order confirmation email from Microsoft, on your invoice from the reseller, or within the VLSC portal under the Relationship Summary.




