If you are on a restricted network, LibreOffice (portable version) with the Plandora extension gives you:
Microsoft Project Portable Download: Free Working Solutions & Best Alternatives (2026 Guide) microsoft project portable download work free
If you specifically need a tool that works like Microsoft Project and opens .mpp files without a subscription: Smartsheet If you are on a restricted network, LibreOffice
: Microsoft offers a 30-day trial for Project Plan 3 or Plan 5. This gives you the full desktop version and the web-based version. You can cancel before the month is up to avoid charges. consider these safe
If you need MS Project features but cannot afford the license or need portability, consider these safe, legal alternatives.