Validating office 2016
Each Office activation that uses MAK counts toward the activation limit.After Office is activated, no re-activation is required unless the hardware changes significantly.
Active Directory-based activation can activate Office installed on domain-joined computers.They will help you to fix Microsoft Office 2016 product key installation 0x80070005.Activation is the process of validating software with the manufacturer after it has been installed on a specific computer.The issue could be with the version, upgrade, temporary failure, number of installations or product expiry. Windows is not able to validate your key or activate it post an upgrade of Office or all of a sudden.Since these products are under paid subscription, it’s important for the company to validate before it allows users to get full access.You can choose to use different activation methods for different versions of Office and for different computers, for example desktops and laptops.
Because these three activation methods are also used to activate volume licensed versions of Windows, you might be able to use the same method to activate both Windows and Office.
For more information, see Volume Activation for Windows 10 and Volume Activation Overview.
All volume licensed versions of Office, including Project and Visio, have a preinstalled product key, called a Generic Volume License Key (GVLK), that can be used for KMS and Active Directory-based activation.
You don't have to enter a product key for each Office installation if you're activating Office by using KMS or Active Directory.
If you're activating Office by using MAK, you must enter a product key for each Office installation, but there are ways to automate that.
So maybe, running Windows 10 Office application with admin privileges might just help to activate it. Activate from Command Prompt If you know how to open a command prompt with admin privileges, open it.