copy local thunderbird settings to Portable version

Hello --- I found help on moving the settings in my local copy of thunderbird to copy the files in

C:\Users\[user]\AppData\Thunderbird\profiles\default.???

to the data\profile directory in the portable install, but in in local profile folder I have folder

4w3dblax.default
tomf0853.default-esr

which one of these directories would be default.???

Thanks