Archiving the E-mail


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I am using Copernic and I just discovered that my e-mail was not indexed properly. Some dude decided to disable the indexing of mailboxes >50MB .. Uch..
I use Outlook for several years now and I do not remove important business e-mail (never) .. so I have years of e-mail collected… Right now almost 100.000 e-mails (spam removed mostly)
wow.. and the keywords.. Finally I can find stuff again (b.t.w. my system is still indexing and I think Copernic will need more days / weeks to complete the total index of all archives.

Is there no better / faster way?