For a portable FTP server on Windows, the best options are lightweight, standalone applications that run directly from a folder or USB drive without requiring installation or administrative services. Recommended Portable FTP Servers Rebex Tiny FTP Server
What and total data volume do you need to transfer? portable ftp server for windows
Highly lightweight; starts instantly; extremely simple user interface. For a portable FTP server on Windows, the
This allows you to map specific folders from anywhere on your computer (or external drive) to the FTP server without moving the actual files. the best options are lightweight