Since there is no official portable MS Project, you can use these open-source or specialized alternatives that be run from a USB drive without installation: Buy Microsoft Planner and Project Plan 3 - Microsoft 365

However, there are legitimate ways to use Microsoft Project for free or find portable alternatives that work just as well. 1. The Official "Free" Way: One-Month Trial

: Full access to the desktop application (Microsoft Project Professional) and the online version.

Getting a "portable" version of for free can be tricky because Microsoft doesn't officially offer a standalone, portable version of this software. Most "portable" downloads found on unofficial sites can be risky, often containing malware or outdated, unstable versions.

: Visit the Project Plan 3 page and select "Try free for 1 month" .

: You’ll need a work or school email and a credit card for verification, but you won't be charged if you cancel before the month ends. 2. Best "True Portable" Alternatives

If you need Microsoft Project for a specific short-term task, the best legal route is the official trial.