These versions are made by unknown third parties.
Below is an article comparing the concept of a portable version against the official 2013 release and modern alternatives. The Reality of Microsoft Office 2013 "Portable"
Despite the convenience factors, using an unofficial portable version of Office 2013 introduces massive drawbacks that outweigh the benefits. 1. Security Vulnerabilities and Malware microsoft office 2013 portable e better
LibreOffice is the heir to OpenOffice and is currently the most famous open-source office suite in the world. Its portable version is developed by the same community and is perfectly maintained.
: A specialized mode that increases the size of buttons and spacing for easier use on tablets or touchscreen PCs. 3. Critical Risks of Portable/Outdated Software These versions are made by unknown third parties
Cannot natively save or collaborate via OneDrive.
However, for the average user concerned with security and file compatibility, the "better" choice is arguably to stick with supported, official versions. The portable version remains a powerful tool for specific use-cases, but it requires a knowledgeable user to wield it safely. : A specialized mode that increases the size
If you need portability or a free option, consider these more secure alternatives: End of support for Office 2013 - Microsoft Support
No portable version is “better” than getting your computer infected. Only download from curated, open-source portable app repositories (like PortableApps.com’s community section – though they rarely host Office due to licensing) or create your own using ThinApp from a licensed ISO.