Most users install Microsoft 365 (formerly Office 365) via the "Click-to-Run" streaming method. This is efficient for individual users with fast internet, but it is a nightmare for IT administrators, users with slow connections, or those needing to deploy Office on multiple machines.
If your organization uses Volume Licensing, you do not need the Deployment Tool. You can download a complete disc image (ISO). microsoft office 365 offline installer
Allows IT administrators to manage which specific apps and versions are installed using tools like the Office Deployment Tool (ODT). Most users install Microsoft 365 (formerly Office 365)
While (formerly Office 365) is designed as a cloud-first productivity suite, many users require a Microsoft Office 365 offline installer for scenarios where internet access is limited or when deploying software across multiple machines efficiently. An offline installer—often provided as an .img or .iso file—contains all necessary setup files, allowing you to install applications like Word , Excel , and PowerPoint without an active internet connection during the installation process. Why Use an Offline Installer? You can download a complete disc image (ISO)
Using an offline installer offers several advantages over the standard "web-streamed" installation: