Where are Local Folders situated for Thunderbird Email ?

Local Folders are situated in the profile folder of Thunderbird. It uses a unique profile for every user. The first time you start any Mozilla application, it will automatically create a default profile. Location can be found below for various operating systems.

Operating system Profile folder location(s)
Windows NT (NT4.x/2000/XP/Vista/7/8/10) “%APPDATA%\Mozilla\”
Windows 95 (without Desktop Update) C:\Windows\Mozilla
Windows 95 (with Desktop Update)/98/Me

C:\Windows\Application Data\Mozilla\

C:\Windows\Profiles\<Windows login/user name>\Application Data\Mozilla\

Unix/Linux ~/.mozilla/
Mac OS X

~/Library/Mozilla/

~/Library/Application Support/