For legitimate study or use, refer to the Office Deployment Tool documentation . For security research, look for papers on "Malware propagation through software cracks" to understand the risks of unofficial portable software.
While Microsoft does not offer a dedicated "Office 365 Download Center Portable," you can still enjoy a portable experience by leveraging official cloud-based and alternative solutions. Modern productivity has shifted away from standalone USB executables toward web apps and mobile-first tools that go wherever you do. 1. Microsoft 365 Web Apps (The "Cloud-Portable" Standard) microsoft office 365 download center portable