Microsoft Office 365 New! Download Center Portable May 2026

If you need to install Microsoft 365 on computers that have limited or no internet access, you can create a "portable installer" on a flash drive.

: If your "portable" need is for a secondary device, Microsoft 365 licenses typically allow installation on up to five tablets or smartphones, which offer significant offline functionality. Portable Installation via USB (The IT Pro Method) microsoft office 365 download center portable

: Open a command prompt and run the tool with the /download switch. This pulls all necessary setup files onto your USB drive. If you need to install Microsoft 365 on

: You can now take that USB to another PC and run the installer locally, provided you have a valid Microsoft 365 login to activate the product. Use the Office offline installer - Microsoft Support microsoft office 365 download center portable