How to change mail server ports on windows outlook

To change the mail server ports in Windows Outlook, you can follow these steps:

Method 1: Using the Outlook Account Settings

  1. Open Outlook and go to the "File" menu.
  2. Click on "Account Settings" (in Outlook 2010 and 2013) or "Account Options" (in Outlook 2016 and later).
  3. In the "Account Settings" window, select the email account you want to modify and click "Change".
  4. In the "Change Account" window, click on the "More Settings" button.
  5. In the "Internet Email Settings" window, click on the "Advanced" tab.
  6. In the "Advanced" tab, you can change the ports for the following settings:
    • "Incoming mail (POP3)" and "Outgoing mail (SMTP)".
    • "Use the following type of encrypted connection" (if you want to use SSL/TLS).
  7. Click "OK" to save the changes.

Method 2: Using the Outlook Options

  1. Open Outlook and go to the "File" menu.
  2. Click on "Options" (in Outlook 2010 and 2013) or "Office Account" (in Outlook 2016 and later).
  3. In the "Options" window, click on "Advanced" in the left-hand menu.
  4. In the "Advanced" window, scroll down to the "Send/Receive" section.
  5. Click on the "Edit" button next to "Outgoing server (SMTP)".
  6. In the "Outgoing server (SMTP)" window, you can change the port number.
  7. Click "OK" to save the changes.

Method 3: Using the Windows Registry

  1. Open the Windows Registry Editor (Regedit.exe).
  2. Navigate to the following key: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Profiles\<Your Profile Name>\ServerSettings
  3. Create a new string value called Port and set its value to the new port number.
  4. Restart Outlook to apply the changes.

Note: The above methods are for changing the ports for a specific email account. If you want to change the ports for all email accounts, you can use the first method and select "All Accounts" instead of a specific account.

Also, keep in mind that changing the ports may affect the functionality of your email account, so make sure to test your email account after making the changes.