Offline Installer Office Today

Microsoft has largely phased out the classic MSI (Windows Installer) format in favor of Click-to-Run (C2R) . Even the "offline installer" today is a C2R package—it just contains the source files locally.

Important: You cannot use a 2019 offline installer to install Office 2021. The version must match your product key or Microsoft 365 subscription exactly.

Step 1 – Choose Source

Step 2 – Customize

Step 3 – Select Products ☑ Word ☑ Excel ☑ PowerPoint ☑ Outlook
☐ Publisher ☐ Access ☐ Teams ☐ OneDrive offline installer office

Step 4 – Output Options

[Start Download] – Progress bar + estimated time Microsoft has largely phased out the classic MSI

This is the official method used by IT professionals.