WS FTP configuration files
WS_FTP (WinSock File Transfer Protocol) is a longstanding commercial FTP program for Windows, published by Ipswitch Software. (Their website these days is so intent to push big-bucks "enterprise solutions" that you're more hard-pressed to find the plain old FTP program there these days.)
Its configuration files are in a system-dependent location, but for WS_FTP Professional 2007 or WS_FTP 12 running in Windows XP, 7, 8, or 10, its configuration files are generally found in c:\Users\username\AppData\Roaming\Ipswitch\WS_FTP and its subdirectories. The file wirh the site setup is located in the Sites subdirectory as ws_ftp.ini. If multiple folders are used to group sites, each folder has a separate .ini file also in the Sites subdirectory.
The .ini files start with [_config_] on the first line. Lines are broken with CR+LF (in the standard DOS/Windows style), and consist of a series of name/value pairs with the equal sign separating the name from the value. Some of the values are surrounded with double quotes ("), while others aren't. Passwords are encrypted. Each section describing a particular connection is preceded by a line with the site name in square brackets (and no equal sign).