Avoid downloading "Office 2013 Portable.exe" from random websites. You risk infecting your computer for outdated software.
A portable version of Ms Office 2013 is a self-contained version of the software that can be run directly from a USB drive or other portable device without the need for installation. This means that you can carry your office software with you wherever you go and use it on any computer without leaving any footprint on the device. Ms Office 2013 Portable Version Free Download
Therefore, , unless you already own a legitimate volume license and created the portable package for your own use (which is still against the EULA but technically not redistribution). For most users, these downloads are unauthorized copies. Avoid downloading "Office 2013 Portable