As she continued her search, Alex stumbled upon a Microsoft support page that mentioned an offline installer for Office. The page explained that Microsoft provided an offline installer, known as the "Office Deployment Tool" (ODT), which allowed administrators to download and install Office on multiple computers without an internet connection.
Here is the frustrating part. When you go to office.com and click "Install," Microsoft gives you the small, dumb downloader by default. They want you always connected to their servers for licensing checks. offline installer office