Open the Outlook 2016 on your desktop and click on the File tab that is available on the top-left corner of the screen.
Select Account Settings twice and click New E-mail Account Next.
Confirm the Manual setup or additional server types radio button and click Next.
Choose the POP tab and fill the User Information, Server Information, Login information
Under the User Information field, type your name and email address.
Under the Server Information field, enter comcast.net as the incoming mail server . The outgoing mail server should be smtp.comcast.net.
Make sure that the POP3 is selected in the Account Type pull-down menu.
Under the Login Information field, enter your Comcast email-id and password.
Give a left-click on the More Settings button and select the Outgoing Server
Mark the Use same settings as my incoming mail server radio button and click OK.
Select the Advanced tab and enter 995 as the Incoming server(POP) port number and SSL as the encrypted connection type.
Type 587 in the Outgoing server(SMTP) field. Choose TLS from the encrypted connection drop-down menu.
Click OK to close the Advanced tab and select the Test Account Settings option to verify the server settings.
Now, you can easily access your Comcast email account on Outlook 2016 in Pop3 And Smtp Server Settings.