Resolved - Outlook 2016 Error 0x800ccc0f

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Unexpected Outlook errors are difficult to handle and we are really tired of such errors. These errors difficult to understand that can bring your daily work to halt whereas some errors are self-explanatory. One such Outlook error is “0x800ccc0f” – it occurs during sending or receiving an email. Such errors might not be very easy to comprehend on first look.

The truth is that it is not that difficult to fix Outlook error codes and a few easy steps are all you need. This write-up is focusing on the MS Outlook error 0x800ccc0f which indicates that there has been an interruption in the connection to the server.

What is Error 0x800ccc0f?

Fix Error 0x800ccc0f

This error occurs when you try to send/receive SMTP based emails. And the worst part is, it doesn’t indicate any signs. It just appears even when everything is working well. If this issue continues, you should contact the server administrator or Internet service provider (ISP).

The error can also occur as Outlook 2010 send receive error 0x800ccc0f. Older versions of Outlook like 2000 and 2002 and Outlook Express can also get plagued with this error. Thus, understanding the root cause behind this issue becomes necessary.

Common Causes of Outlook Error 0x800ccc0f

The error 0x800ccc0f may occur due to the following reasons:

  • The issue with connectivity in the network or Internet.
  • Windows firewall is blocking MS Outlook
  • Microsoft Outlook profile settings are incorrect.
  • Corrupted Outlook OST File

Troubleshooting MS Outlook Error 0x800ccc0f

Fixing this error involves many approaches based on what the exact reason is from the ones listed above. Go through every solution mentioned below one by one and send/receive emails after applying each one to test if it is rectified.

1. Check the Internet Connectivity

First, you need to make sure that the system is sending/receiving data over the Internet or not. For this follow below steps:

  • Go to a browser and type any website’s URL. If it opens, that means your PC is connected.
  • If not, you’ll need to troubleshoot network connectivity issues. Just right-click on your Wi-Fi connection signal or Ethernet cable connection signal and click on Troubleshoot Problems from the pop-up menu.

2. Disable Windows Firewall and Anti-virus

For doing so, just go through the following steps:

  • Firstly, go to Start > Control Panel -> Network Connection
  • Then, right-click on the internet connection.
  • Select Properties from the menu.
  • Next, go to the Security tab, and switch off the Firewall.

After that, you need to manually add the incoming POP server name ( and the outgoing SMTP server name ( in the E-mail Accounts in Outlook. Perform the below steps:

  • First of all, go to MS Outlook > Tools > E-mail Accounts > View or change existing e-mail accounts and click Next.
  • Then, under the E-mail Accounts dialog box, click Add.
  • After that, click on the POP3 and click Next.
  • Enter the right information for your POP3 mail server, and then click Next > Finish.
  • Finally, check and rectify Outlook account settings.

3. Start Microsoft Outlook in Safe mode

Starting Outlook in Safe mode disables add-ins, and launches Outlook with just the basic settings. If there are any faulty add-ins that are causing the problem, this might rectify the issue.

  • For doing so, in the Start menu, open Search or type outlook.exe /safe in the Search box and click OK. For Outlook 2003 and earlier versions, you’ll need to type this in the Run dialog box

4. Run Inbox Repair Tool

If none of the above-mentioned techniques works, then the problem might be in a faulty PST or OST. One can try repairing the Outlook data files by using Microsoft’s in-built inbox repair tools ScanPST.exe and ScanOST.exe. You need to locate these tools on your system and launch them one by one. Just specify the PST and OST files your Outlook profile is using and the tool will do the rest.

Professional Solution to Convert OST file to PST

If all the above manual techniques fail to fix the Outlook error 0x800ccc0f. I such a case, you can resolve it by converting OST to PST and then import the converted PST into your Outlook profile. While performing a manual process to convert OST to PST, a minor mistake may corrupt your Outlook data files. Hence, it is recommended to use a professional OST to PST Converter tool to perform the conversion process.

Bottom Lines

The blog is describing the core techniques to resolve error 0x800ccc0f Outlook 2016. There are several methods to resolve this issue and those are also discussed above. But, still, if the error persists then you can try the recommended tool. I hope it helps you out.

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