: Open Command Prompt as an administrator and run: setup.exe /download configuration.xml This downloads the full source files to your local folder. Important: Activation Still Needs Internet Use the Office offline installer - Microsoft Support
Disclaimer: This guide is intended for users with a valid Microsoft 365 subscription. It does not circumvent any licensing requirements. Always verify your licensing rights under your Microsoft Enterprise Agreement or Retail Terms. microsoft office 365 offline installer
Downloading the Microsoft Office 365 offline installer is the most reliable way to install the suite on computers with limited or unstable internet connections : Open Command Prompt as an administrator and run: setup
: You still need internet once after installation to sign in and activate your license. microsoft office 365 offline installer