Microsoft Windows XP
History
C:\Documents and Settings\{user}\Application Data\Mozilla\Firefox\Profiles\{profile folder}\
Cache
C:\Documents and Settings\{user}\Local Settings\Application Data\Mozilla\Firefox\Profiles\{profile folder}\Cache\
Microsoft Windows Vista / 7
History
C:\Users\{user}\AppData\Roaming\Mozilla\Firefox\Profiles\{profile folder}\
Cache
C:\Users\{user}\AppData\Local\Mozilla\Firefox\Profiles\{profile folder}\Cache\
Apple Macintosh OS X 10.6
History andDownloads
/Users/{user}/Library/Application Support/Firefox/Profiles/{profile folder}/
Cache
/Users/{user}/Library/Caches/Firefox/Profiles/{profile folder}/Cache/