duplicates here there and evrywhere

Due to a change in my cell phone service, I was using a palm treo phone and
palm desk top software and I upgraded to a service where i can use outlook!,
so I imported my contacts from palm and email from outlook express. EITH A
FEW PROBLEMS
1) there are many duplicates in my contacts now and i was unable to run the
duplicate checker
2) only 1340 contacts emigrated from palm a few hundred did not import,
please help
3) all emails are received in duplicate
4) although i set the parameters to check for new email every minute, unless
i click on "send and receive" my email doesn't update