Early versions of Office 2016 were 32-bit. However, Microsoft updated later builds (15.25 and above) to 64-bit architecture.
If you are having trouble with a specific part of the installation, let me know: Are you seeing a ? Which macOS version are you currently running? Do you have a product key or an Office 365 subscription ? AI responses may include mistakes. Learn more microsoft-office-2016-installer.pkg