The location of the personal configuration folder depends on your operating system and version of Dreamweaver. For Dreamweaver CS4 and later, it’s as follows:

• Vista/Windows 7: C:\Users\<username>\AppData\Roaming\Adobe\Dreamweaver CSx\<language>\Configuration
• Windows XP: C:\Documents and Settings\<username>\Application Data\Adobe\Dreamweaver CSx\<language>\Configuration
• Mac OS X: Macintosh HD:<username>:Library:Application Support:Adobe:Dreamweaver CSx:<language>:Configuration

In all cases, <username> is the name of your user account on the computer and <language> indicates the language of your operating system. The language is usually represented by two pairs of characters separated by an underscore, as in en_US (English), es_ES (Spanish), or fr_FR (French). The x in CSx represents the version number (4, 5, 5.5, or 6).

Earlier versions of Dreamweaver locate the personal configuration folder in a slightly different location. This is where it can be found in Dreamweaver CS3:

• Vista/Windows 7: C:\Users\<username>\AppData\Roaming\Adobe\Dreamweaver 9\Configuration
• Windows XP: C:\Documents and Settings\<username>\Application Data\Adobe\Dreamweaver 9\Configuration
• Mac OS X: Macintosh HD:Users:<username>:Library:Application Support:Adobe:Dreamweaver 9:Configuration

The personal configuration folder for Dreamweaver 8 and older is in a similar location, except you should replace "Adobe" with "Macromedia" and substitute the appropriate version of Dreamweaver in the path name.

The Dreamweaver configuration folders are hidden on Windows and Mac OS X (Lion).

In Windows, enable the option to view hidden files and folders  as follows:

• In Vista/Windows 7, select Start > Computer > Organize > Folder and Search Options > View. In Advanced settings, choose Show hidden files and folders.
• In Windows XP, select Start > My Computer > Tools > Folder Options > View. In Advanced settings, choose Show hidden files and folders.

Once you turn on this option, hidden folders are displayed as dimmed icons to remind you to treat them with care.

In Mac OS X (Lion and Mountain Lion), open Finder and press Shift-Cmd-Go. Type ~/Library/Application Support in the dialog box, and click Go. You should then be able to find the configuration folder.