Bakup only selected label

Hi,
Its possible backup only one label?
think this scenary:
I have a label to identify mails of a proyect or task work, so when this proyect finish I want to backup all mails from that proyect and delete from gmail account (and label too).

Its possible?
thanks!

Comment viewing options

Select your preferred way to display the comments and click "Save settings" to activate your changes.

Labels

I agree with that possibility...