So, I am using several computers and want to sync my filezilla sitemanager.xml across all platforms using a cloud service (example Dropbox).

1. Find your site manager file

Filezilla keeps all of your sites and access credentials in an XML file called “sitemanager.xml”
Windows 7/8 & Vista – C:\Users\YourUserName\AppData\Roaming\FileZilla\sitemanager.xml
Mac OSX – /users/YourUserName/.config/filezilla/sitemanager.xml
Linux – /home/YourUserName/.filezilla/sitemanager.xml

2. Make a backup copy of the sitemanager.xml in case you mess it up

3. Find a nice location for your shared sitemanager.xml file in your preferred cloud service, and copy it over
example: \Dropbox\Settings\sitemanager.xml

4. Make a “softlink” to your shared sitemanager.xml
You will need to use COMMAND PROMPT (Windows), or TERMINAL (Linux and OSX) for this.

Windows:
mklink “C:\Users\YourUserName\AppData\Roaming\FileZilla\sitemanager.xml” “C:\Users\YourUserName\Dropbox\Settings\sitemanager.xml”

OS X:
ln -s /users/YourUserName/Dropbox/Settings/sitemanager.xml /users/YourUserName/.config/filezilla/sitemanager.xml

Linux:
ln -s /home/YourUserName/Dropbox/Settings/sitemanager.xml /home/YourUserName/.filezilla/sitemanager.xml