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How to fix Outlook error 0x800ccc0e − Windows 10, Windows 8.1 (Nothing else worked)

What is error 0x800ccc0e? When does it appear, and how to fix it?

Outlook error 0x800ccc0e appears when a user tries to send an email through Microsoft Office Outlook. It appears due to conflict between the SMTP servers (SMTP stands for Simple Mail Transfer Protocol - a communication protocol for electronic mail transmission). Every time you click the send button, your account settings (username, password, port) need to be verified by the outgoing server, before your email is sent to the recipient.

The common causes behind this error include:

  • The Internet connection;
  • The Outlook app (the Mail app, too);
  • Incorrect server settings;
  • Malware (popularly known as "viruses);
  • Antivirus and firewall settings;
  • Viruses.

The solutions listed below, if followed to the letter, can help you fix this error once and for all. We compiled them based on users' feedback, as well as the opinion of specialists in this matter. Scroll down, and try them out one by one.

Select specifications which apply:

Click on this if your computer runs on Windows 8.1.

Click on this if your computer runs on Windows 10.

Click on this if none of the other solutions worked.

  1. Reinstall Outlook

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