Any Thunderbird Mail Experts?

[GaryT]

Steven Susbauer wrote:
> GaryT wrote:
>   
>> Does anyone know precisely what's involved?  Apart from what seems the
>> obvious - saving and copying mailbox files?
>>     
> Backing up the entire .mozilla-thunderbird directory should be enough as
> it keeps all of its configuration for your user under that directory. I
> used to move between distros (and even Windows) with just this
> directory. If you decide to go that route, make sure you restore the
> directory before you run Thunderbird the first time. Also if you have
> any non-standard add-ons, you may have to install them again.
> Good luck!
>  -Steve
>   

Many thanks, Steve.
(Thanks also to Giles and Rashkae)

Does that hold generally for all apps under Linux? 
Is all the data and setting info stored under that main directory?

Much appreciated
GT