By Sophia | Last Updated
You may have encountered this: Microsoft Outlook Not Sending or Receiving Emails and reported error 0x800ccc0f after relaunching for just a while. What can you do to address the issue? Take it easy, thousands of users are in the same boat as you. This article describes five ways to fix the problem.
Sometimes the Outlook receiving or sending reported error 0x800ccc0f is due to the unstable network connection. In this case, follow the tutorials to ensure your network connect correctly.
Step 1: Open one of your browsers and type any URL into the address box.
Step 2: Press Enter key to check the network. If you cannot load any webpage, disconnect the Internet and reconnect again.
Step 1: Hit Windows + R key to invoke Run dialog box.
Step 2: Input "Outlook.exe/safe" and press Enter to disable Outlook add-ins and launch in safe mode.
Step 1: Click on Start, type Control Panel in the Search Box and select the option from the list.
Step 2: In the Control Panel window, click the down arrow next to View By at the top right corner and select Large icons. Find out Windows Defender Firewall and double-click on it.
Step 3: Click on Turn Windows Defender Firewall on or off from the left field.
Step 4: Under Private network settings and Public network settings section, select Turn off Windows Defender Firewall as the image below.
For Outlook 2007: Navigate to ToolsSend/ReceiveDownload Headers in This Folder.
For Outlook 2010/2013/2016: Launch Microsoft Outlook, go to Send/Receive tab, click on Download Headers. Alternatively, you can click on Download Preferences and select Download Headers from the drop-down.
Step 1: Open This PC on your desktop, input SCANPST.EXE in the search bar then hit Enter.
Step 2: Double-click the tool from the list to run it. When the window popups, click on Browse to select the pst file then tap the Start button to repair.
Microsoft Outlook Not Sending or Receiving Emails, it can be caused by your Outlook don't authenticate.
Step 1: Click on File tab and tap on Account Settings.
Note: If you are using Outlook 2007/2003, click on Tools from the Menu Bar and select the Account Settings from the drop-down.
Step 2: Under E-mails tab, select an account and click on Change. In the Change Account window, click on More Settings at the lower-right corner.
Step 3: Click on Outgoing Server tab, check My outgoing server (SMTP) requires authentication. Then select Use name settings as my incoming mail server. Tap on OK to save changes.
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