How To Upload EP5 User to EP6 of Netweaver Component

I want to migrate my EP5 Application into EP6 of Netweaver Componet, Can any one guide me How To Migrater/Upload Users in EP6 of Netweaver. First of All I want to Know How To Take the Users Content whcich is in EP5 and in whcih format how to take. I really dont know where my Users are saved in EP5 and how to take those Users and upload in EP6 of Netweaver

Thanks and Regards

Prasad.Y