PGP desktop

Hi support

we have PGP Desktop and our email in encrypted, after few month we got a new domain so we need to move all our old email to the new one, but it not work so we create a pst (personal folder ) and imported in the new domain BUT it not work also,

Pls can we got full instruction how to move the old email to the new one because it very impotent emails

Thanks,

Nasser