Change POP3 or IMAP Port on MS Outlook

Outlook-2Here’s how to change the Incoming service (POP3 or IMAP) port number in Microsoft Outlook:


  • Load Microsoft Outlook 2010
  • Go to the ‘File’ tab
  • Go to the ‘Info’ section




  • Click on ‘Account Settings’
  • Click the drop-down button titled ‘Account Settings…’



  • Select your email account from the list.
  • Click the ‘Change…’ button




  • Click the ‘More Settings…’ button



  • Select the ‘Advanced’ tab.
  • Change the Incoming Server field number using the information below for POP3 or IMAP

POP3 – By default, the POP3 protocol works on two ports :

    • Port 110 – this is the default POP3 non-encrypted port
    • Port 995 – this is the port you need to use if you want to connect using POP3 securely

IMAP – By default, the IMAP protocol works on two ports:

    • Port 143 – this is the default IMAP non-encrypted port
    • Port 993 – this is the port you need to use if you want to connect using IMAP securely

Note : if you use port No. 993 for IMAP or port No. 995 for POP3, you must change ‘Use the following type of encrypted connection’ from None to SSL.


  • Click ‘OK’.


  • Click the ‘Next >’ buttonoutlook-2010-9
  • In the next window click ‘Finish’
  • In the ‘Account Settings’ window click ‘Close’
  • You should now be back to the main Outlook screen
  • Close Outlook and then reload

Want to know more about POP3 and IMAP ?     Visit POP3 vs IMAP

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