Spamfire stores all its settings, filtered email and the Bayesian statistical corpus in a folder called Spamfire 2. This folder is located inside your computer's Preferences folder. The location of the Preferences folder depends on your OS:
| OS | Location | How to find it |
| Mac OS X | ~/Library/Preferences/ | Go to the Finder and choose Home from the Go menu. Open the Library folder and then open the Preferences folder. |
| Mac OS 9 | System Folder:Preferences | Open your hard drive. Open the System Folder. Open the Preferences folder. |
| Windows XP | C:\Documents and Settings\ username\Application Data\ |
Click the Start menu and then click My Computer... |
You can back up all your Spamfire settings by backing up the Spamfire 2 folder . You can remove all settings by uninstalling Spamfire.