Moving Firefox and Thunderbird between computers

This will copy all of the bookmarks, emails, email filters, settings, etc. for Firefox and Thunderbird. Locate, copy and overwrite the application folders for Firefox and Thunderbird:

Mac:

[user home] /library/Thunderbird

[user home]/library/Application Support/Firefox

PC:

[ user home] /AppData/Roaming/Mozilla/Firefox

Note:

For PC, AppData folder is a hidden or system folder so it will be hidden by default.