Trying to transfer address book from previous device

I must make assumptions, since there are no details here. # - click help>troubleshootinginformation on old PC # - scroll to 'profile folder' and click 'open folder' # - exit thunderbird # - copy the abook.sqlite and history.sqlite files to external media # repeat the first three steps on receiving PC # - past the abook.sqlite and history.sqlite to overlay the current versions # - restart thunderbird -