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There is of Microsoft Access that can be run directly from a USB drive without installation. While unofficial "portable" downloads exist on third-party sites, they carry significant legal and security risks. Official Alternatives to Portability microsoft access portable download
If your goal is to have a database tool that runs directly from a folder or USB drive without installation, several open-source and third-party tools are better suited for "portable" use: 11 Microsoft Access Alternatives for 2026 | Budibase Disclaimer: This content is for informational purposes only