How do I expand multi part rar files?

[halfbipolar]

Hello,

I have downloaded some multi-volume/part rar files and 7zip doesnt wantot open them.

What is the secret?

Below are sample names of multi part files where i can only pen the fisrt file then i get erros on the rest.

Thanks in advance.

----RAPIDSHARE----
http://rapidshare.com/files/242553169/LZSPBClubLA77.part1.rar
http://rapidshare.com/files/242567805/LZSPBClubLA77.part2.rar
http://rapidshare.com/files/242584152/LZSPBClubLA77.part3.rar
http://rapidshare.com/files/242601403/LZSPBClubLA77.part4.rar
http://rapidshare.com/files/242539055/LZSPBClubLA77.part5.rar
------------------

----MEGAUPLOAD----
http://www.megaupload.com/?d=X033E4BL
http://www.megaupload.com/?d=AEWE7PS1
http://www.megaupload.com/?d=GRXBJJQE
http://www.megaupload.com/?d=A57MIKNC
http://www.megaupload.com/?d=JPN706SR
------------------

[fernando]

Put ALL RAR parts in ONE directory.

Extract "filename.part1.rar"...  that is all; that is the secret. Which is no secret, only from you.