perhaps you should have asked that before you set up a new profile.

See https://support.mozilla.org/en-US/kb/moving-thunderbird-data-to-a-new-computer

i got to C Drive pasted thunderbird folder in it From your Thunderbird profile folder, go up three levels. i dont what means . right-click on your backup Thunderbird folder, and select Copy. i did this but no Backup came up. Lost now . would it be easier to ring me 0420939645 australia

Thunderbird = TB. it appears your problem is also related to ADDRESS-BOOK (in TB) is similar to the problem posted HERE. i have posted a solution there , please see if its useful/applicable or solves or helps to solve your problems.