outlook mail in imac and macbook air

i have a pop3 account and configured outlook 2011 in my imac and MacBook air.
the same is also configured on my iphone as well.  The issue is whenever I read any message on my iphone the status of the same mails are shown as unread on my imac and MacBook air.

how to make the status as read for those messages in my imac and MacBook  which I have already opened on my iphone.
kurajeshSenior Systems AnalystAsked:
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Clark KentSoftware Engineer cum BloggerCommented:
Hi Kurajesh,

I think it’s a normal behavior as you are using POP3 account with enable “Leave a copy of message on the server” option which creates copy of each email after accessing it firstly from any device. Thus, whenever you try to access those emails from MAC, it is showing as unread because the machine is downloading the fresh copy of emails from the server.

For more: http://office.microsoft.com/en-001/outlook-help/leave-e-mail-messages-on-your-e-mail-server-HA001150793.aspx

Note: Improve community discussions by marking the answers helpful otherwise respond back for further help.

Clark Kent
David Johnson, CD, MVPOwnerCommented:
Use another protocol i.e. IMAP if you want to sync the status otherwise with pop3 you are literally downloading a new copy of the message for every client and each copy is unique, you can read it, move it, delete it on one machine and it will remain unchanged on the other machines.
Clark KentSoftware Engineer cum BloggerCommented:
Agree with David suggestion, as i have already defined how an POP3 connection works with N numbers of devices.
As others have mentioned, POP3 just doesn't work that way.  Each device is unique and sees nothing about the other devices. David's solution would work, if your mail ISP supports that, but typically I find that's not the case. You could consider, if you haven't already, setting up an iCloud account at Apple and then  have your mailer forward all emails to that account and only look at them there.  the iCloud email account will sync between all your devices.
kurajeshSenior Systems AnalystAuthor Commented:
i have actually downloaded a trial version of chronosync and it sync is fine with this.

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