Microsoft Project Portable 1 Link

Older clients may still use MS Project 2010 or 2013 files. Modern Microsoft 365 subscribers might not have backward compatibility or the "Project Online" desktop client. A portable version of Project 2016 or 2019 bridges the gap.

Unofficial portable versions are common carriers for malware, keyloggers, and ransomware. Microsoft Project Portable 1 Link

(Legitimate link to Microsoft.com)

If portability is your priority, consider these legitimate tools: Older clients may still use MS Project 2010 or 2013 files

Here is what Microsoft does offer instead: Microsoft Project Portable 1 Link