Under , find your Microsoft 365 product and click “Install” → “Install again” or “Install Office” .

For power users or IT admins needing specific app configurations, use the Office Deployment Tool (ODT) :

Once the download is complete, follow these steps to install Microsoft Office 365 offline:

The process begins at the Microsoft account dashboard. Users with an active subscription (such as Personal, Family, or Business) can navigate to the "Install Office" section. Rather than selecting the default "Install" button—which triggers a small "click-to-run" file that streams the rest of the software—users must select and choose "Download an offline installer." This prompts the download of a large disk image file (ISO or IMG) containing the complete set of installation files. Installation and Deployment

– you want the full offline installer.

Click → “Other options” .

The download will be a .exe file (e.g., Setup.X86.en-us_...exe or Setup.X64...exe ).

By following these steps, you should be able to download and install Microsoft Office 365 offline.

: You can also use the Office Deployment Tool (ODT) for IT/admin-level offline deployment – but the above method is simpler for individuals.

Once the disk image is downloaded, it can be "mounted" as a virtual drive on Windows or macOS. From there, the user runs the setup executable to install the suite. Because the installer contains all necessary data, the software can be deployed on a device that is entirely disconnected from the web. This is particularly useful for IT administrators or individuals in remote locations who cannot rely on a stable connection for a multi-gigabyte download.

The following essay outlines the process and requirements for downloading and installing Microsoft 365 for offline use.