.SLT File Extension
File TypeMozilla User Profile Folder
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is an SLT file?
Contains user profile data for Mozilla programs such as Firefox and Thunderbird; may include bookmarks, browsing history, and cached data; typically saved with a random filename, followed by the ".slt" extension.
In Windows Vista, the Firefox SLT folder is saved in the "Users\Profile\AppData\Roaming\Mozilla\Firefox\Profiles" directory. In Mac OS X, it is located in the "~/Library/Mozilla/Profiles/[profile name]/" directory.