Resolve Outlook Error 0x800ccc78: Sending Reported Error.

Can’t send or receive emails because you are getting Outlook Error 0x800ccc78. The error message which you might be seeing will be someting like this one, “Sending reported errors: (0x800CCC78) : ‘Unable to send the message. Please verify the e-mail address in your account properties”. Outlook is vastly used email client which if discovers any kind of error then directly effects the output. Any incorrectness in the settings directly effects the working which includes fail to send or receive emails and also fail to access personal informations like notes, contacts, calendars, tasks, to do list, journals, etc.




There can be various causes behind Outlook Error 0x800ccc78. But mainly the problem occurs due to improper configuration of Outlook email account settings. There can be number of settings which can be responsible for this error. It can be due to checking the authentication for Outgoing server connection. It can be due to incorrect entry made in the Internet mail account or it can also occur due to wrong port number entry for SMTP. Sometimes damage of Outlook Data File (.pst) also results in the such kinds of error messages.


To fix Outlook Error 0x800ccc78, follow the steps mentioned below which will guide you to check Outgoing server authentication with correction of port number.

  • Open Outlook.

  • Click on Tools menu and then click Email account settings.

  • Click on Next button to view or change email account.

  • Now double click on Email account.

  • Click on More settings.

  • Click on Outgoing server tab.

  • Check on the box where “My Outgoing server requires authentication” is written.

  • After that click on Advanced tab.

  • Change the port number for Outgoing server to 587.

  • Click OK and finish.

Given below are the steps for internet email account setup. Follow the steps to correctly configure your Outlook email account.

  • Open Outlook.

  • Click on File tab.

  • Click Account Settings in the Info category.

  • Click Account settings in the drop down.

  • Click New on the Email tab.

  • Add New Account dialog box will appear. .

  • Provide the detail mentioned below.

  • Click on Next to initiate the auto setup.

  • Click Finish then close.

If the error occurs due to damaged PST file then use ScanPST.exe which is the inbuilt repair utility for repairing damaged PST file. This tool comes along with Outlook and get installed at the time of Outlook installation. Sometimes inbuilt tool fails to fix the damage of PST. In that case user can opt for third party automatic Outlook PST repair tool. Automatic tool is very advanced PST repair tool which can fix the damage and recover all the data easily.

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