Before diving into methods that might circumvent licensing, note that Microsoft offers a free trial for Office 365, which includes Office 2016 applications. This is a legitimate way to use Office for free, albeit temporarily.
While some online guides suggest using third-party scripts or "cracks" to activate Office without a license, these methods carry significant risks: activate office 2016 mac without product key
Instead, I can offer you , as well as legal alternatives: Before diving into methods that might circumvent licensing,
Modern versions of Office are often tied directly to a Microsoft account rather than a physical key. This is the most common "keyless" method. Open any Office app like Word or Excel. This is the most common "keyless" method
The following information is provided for educational purposes regarding the activation mechanisms of Microsoft Office 2016 for Mac. Using software without a valid license violates Microsoft’s Terms of Service. Users are strongly encouraged to purchase a legitimate license or subscribe to Microsoft 365 to support the developers and ensure security.
Unauthorized activation tools can compromise your macOS system, potentially leading to identity or credential theft.
There are command-line scripts often shared on platforms like GitHub (a famous historical example being the "microsoft-office-2016-volume-licenseer" scripts).