All incoming emails are duplicate, triplicate, or quadriple

I have windows 10 with Windows Live Mail 10, my OS is Windows 7.

I am having problems with my Windows Live email application, at least I think that's the cause of the problem. I have contacted my server to see if their server was failing to delete my emails after downloading, they said they checked and the problem is not on their end as the emails do not duplicate on the server. I have 16 email addresses, 3 of which are live.com addresses, 2 MSN/hotmail accounts, 1 ymail account, 1 gmail account, 1 myspace account, and the rest of the accounts are through my server (embarqmail/CenturyLink)  ... there are no duplicate accounts, I checked today to be sure.

I receive 2-4 copies of all my incoming emails; I deleted over 1,000 duplicate emails on Feb 10th, deleted them from my junk folder and deleted them from my deleted folder. I have done this repeatedly in the past also. But when my email program, Windows Live Mail, checks for emails again the deleted files are downloaded in my email program again ... I keep deleting the files but they dont appear to get deleted on the server ... please help. I am drowning in duplicate files ...

The server tech gave me a website to check my Windows Live Mail settings, but when I follow the posted procedure (http://internethelp.centurylink.com/internethelp/email-setup-in-windows-mail-edit-settings-1.html) I cant click on properties as it is grayed out.

Thank you for any help you are able to offer ...