How to I back up my website files?

Okay, I know I've done it before, but I can't remember how...and when I do a search, it just tells me how to back up my settings. I have a lot of stuff on my website I don't want to lose it because I now have a staff member on my site who can get into it and I've had hosts delete all my files before. So, how do I back up all of my files?

I am bumping this because I really need to know...

Download everything from your website. Take a look at the tutorial: "Download - Queue" at
https://www.smartftp.com/support/howto

Please purchase a license for SmartFTP if you use it for any commercial related purpose.

Regards
SmartFTP

Thanks!
And I'm not using it for commercial purposes...by staff member, I meant somebody who helps me post blogs on my website...