[Users] Does 3.12 check for old dataformat while start?

[Paul]

On Tue, 27 Oct 2015 09:48:15 +0100
<c.buhtz at posteo.jp> wrote: 

> This question goes directly to the developers of claws-mail.
> 
> Does the current version (3.12) check while starting if the
> config-files and data-folders (.claws-mail, .claws-box) are from on
> older version of claws-mail?
> 
> Maybe this check is needed because the data structure changed
> between this versions? In that case a message or conversation is
> done?

See the answer that Andrej gave you already. Short answer is,
everything should be fine but, if in doubt, backup first.

with regards

Paul