In the software community, a "portable" application is one that can run directly from a removable storage device (like a USB flash drive) without being installed on the host computer's hard drive.
Using a portable version of Office 2013 carries significant security and legal risks: Office 2013 ends support in one year - Microsoft Lifecycle microsoft office 2013 portable
By following the guidelines and requirements outlined in this article, you can successfully use Microsoft Office 2013 portable to meet your productivity needs. In the software community, a "portable" application is
: Microsoft Word 2013 can open PDF files and convert them into editable Word documents, preserving the layout. For official portable access, the Microsoft 365 Web
For official portable access, the Microsoft 365 Web Apps are the modern equivalent, allowing you to use Office in any web browser without local installation. End of support for Office 2013 - Microsoft Support
Before seeking out a portable version, users should be aware of the following:
It wasn't official. In fact, if Microsoft’s legal team saw how it had been stripped of its installers and compressed into a single executable, they’d probably have a collective heart attack. But for Leo, it was a masterpiece. In 2013, Office was transitioning into the cloud with Office 365, but Leo preferred the clean, flat "Metro" look of the standalone 2013 suite—Word, Excel, and PowerPoint, all ready to launch in seconds without leaving a trace on the host computer.