: Support for Office 2016 ended on October 14, 2025 . This means Microsoft no longer provides security fixes or technical support, leaving these versions vulnerable to new threats.

Instead of a risky portable download, you can use these official Microsoft options or trusted open-source alternatives: Free Office 365 for Students and Educators - Microsoft

Office 2016 and Office 2019 | End of Support | Microsoft 365

If the goal is a free, offline office suite that can often be run portably: