Outlook error 0x800ccc0e happened when there is a problem with Microsoft Outlook, Outlook express or windows mails. This error generally caused by a conflict between SMTP servers while using an email program or when users try to send emails during account configuration.
Step:1 Open Outlook >> Go to Tool Menu >> Account Setting
Step: 2 You will see the account setting box in front of your screen.
Click on E-mail tab >> Email Account
Step: 3 Email account windows get open. Click on more Setting button
Step: 4 As you click on this, another window pop up, open internet E-mail setting.
Now click on Outgoing server tab >> Check the server require authentication box.
Click on OK button to apply the setting