If you have a personal or family subscription, you can download a single disk image ( .img ) file that contains all necessary installation files. Log in to your Microsoft account services page . Find your Microsoft 365 subscription and select . In the "Download and install" window, select Other options .

Depending on your license type, here is how to get the legitimate "exclusive" offline installer.

First, let’s clear up a common misconception. Microsoft officially retired the term "Office 365" in 2020, renaming it to . However, the keyword persists because of legacy search habits.

Since Microsoft does not provide a simple "download button" for a complete Office 365 offline installer on their main website (they push the small "click-to-run" streaming installer), this report details the official method to create your own standalone installation package.