Windows 9x/Me: C:\Windows\Application Data\Thunderbird\Profiles\<profile name>\ OR C:\Windows\Profiles\<Windows login/pseudonym>\Application Data\Thunderbird\Profiles\< profile name>\
Windows NT 4.x: C:\Winnt\Profiles\<Windows login/pseudonym>\Application Data\Thunderbird\Profiles\<profile name>\
Windows 2000/XP: C:\Documents and Settings\<Windows login/pseudonym>\Application Data\Thunderbird\Profiles\ <profile name>\
Windows Vista: C:\Users\<Windows login/pseudonym>\Appdata\Roaming\Thunderbird\Profiles\<profile name>\ OR C:\Users\<Windows login/pseudonym>\Appdata\Roaming\Thunderbird\Profiles\<Nom du profil>\
Unix/Linux : ~/.thunderbird/<profile name>/ (~/.mozilla-thunderbird/<profile name>/under debian and derivatives)
Mac OS X : ~/Library/Thunderbird/Profiles/<profile name>/ or <gras>~/Library/Application/Support/Thunderbird/Profiles/<profile names>/
