How to Locate the Root Folder for Microsoft. Although each Microsoft operating system has a suggested default root folder, a user may choose to change this location at installation.

This is the address of the root folder of your WordPress site. Open your computer's FTP application and log in using the username and password associated with your Web hosting account.

The library folder in the root directory of your system drive (usually called Macintosh HD) contains data accessible to all users, but only administrators have write access to the files.