Outside of a corporate environment, "pre-activated" copies found on unofficial sites are typically cracked or modified versions.
"Pre-activated" versions of Microsoft Office 2016 refer to software that has been modified to bypass the standard license verification process, often through illegal cracking or volume license misuse. While these versions appear to save money, they carry significant security risks and are officially unsupported by Microsoft.
Bought microsoft office 2016 and now they've made it obsolete.
Support for Office 2016 and Office 2019 ended on October 14, 2025 and there will be no extension and no extended security updates. Microsoft Support Office repeatedly prompts you to activate on a new PC