Microsoft ended mainstream support for Office 2016 on October 13, 2020 . However, extended support (including security patches) continues until October 14, 2025 . After that, no new patch files will be released.
. While apps will continue to function, Microsoft may no longer issue new security patches for this version. Microsoft Support extract already installed patches from a "gold image" machine to use for other deployments? patch file microsoft office 2016