If for your work you must upload or download confidential and private data from a server, then you cannot use a normal FTP program for it, no matter how good it is, but one that offers you all the guarantee of security and absolute confidence that these data are perfectly protected.
And that is what gives you the excellent Robo-FTP 3.3 which is an FTP that is handled based on scripts (so it is not recommended for novice or inexperienced users) and which in the send data strongly protected with a security 128-bit SSH and SSL being also encrypted (using PGP method) to ensure total challenge to the data that is uploaded and downloaded from said FTP.
It also has a tool to synchronize files (even make comparisons between these files to verify that there are changes), email notifications of transfers made, integrated BD (in SQL), to be able to transfer COM / OLE files, generator of all kinds of statistical reports , etc.
You can free download Robo-FTP 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.