: Includes 1TB of OneDrive storage, allowing you to start a report on a desktop and finish it on a mobile device.

Official Microsoft Office receives regular security patches. A "Portable" version is a static snapshot. It will not update, meaning any security vulnerabilities present in that build remain forever.

You can use this as a draft or a research summary for your assignment.

Thus, official portable Microsoft Office does not exist. Solutions labeled "Portable Microsoft Office" are either:

microsoft office portable best