Be cautious of sites offering "Ratiborus KMS for Mac" as they are often:
: For retail versions, activation is handled by signing into the Microsoft 365 Admin Center or using the "Sign In" prompt within the Word/Excel app itself to validate your license key. Troubleshooting on Mac ratiborus kms tools for office 2016 mac exclusive
installer provided by Microsoft for enterprise users that activates the software without requiring a sign-in. End of Support : Official support for Office 2016 for Mac ended on October 13, 2020 , and it no longer receives security updates from Microsoft Support Official Activation Process for Mac Be cautious of sites offering "Ratiborus KMS for
Ratiborus KMS Tools are designed exclusively for Windows and are not compatible with macOS, making them unusable for activating Office 2016 on Mac. Users seeking to activate volume-licensed Office on Mac should use the official Volume License (VL) Serializer package, as third-party tools often carry significant security risks. For information on valid Microsoft licensing, visit Microsoft Support learn.microsoft.com/en-us/answers/questions/5350578/is-safe-using-this. Users seeking to activate volume-licensed Office on Mac
are unauthorized third-party software that emulates a fake KMS server on your local machine, tricking Office or Windows into thinking it’s activated.