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Learn How to Fix Microsoft Outlook Error 0x800ccc1a

One of the popular emailing platforms, MS Outlook, is continuously being adopted by many individuals. While fulfilling all the basic emailing requirements, it also enables you to perform several other tasks, such as email management, address books, notebook, and calendars, which can be used to organize meetings and plan your schedule. However, instances might occur when you come across issues like Outlook error 0x800ccc1a that restricts you from accessing the emails. It usually occurs due to glitches in the secure socket layer (SSL) and the PST file.

While this error could be frustrating, you can follow some simple troubleshooting techniques to get rid of it and start using MS Outlook features again in no time. Read on to explore why the 0x800ccc1a Outlook error occurs, walk through the symptoms, and learn some easy troubleshooting techniques to resolve it.

What Are The Causes Of Outlook Error Code 0x800ccc1a?

Before we delve into the troubleshooting of Outlook error 0x800ccc1a, it is vital that you identify the reason behind the issue. This will help you to resolve the issue effectively.

The MS Outlook error 0x800ccc1a usually occurs due to an inappropriate port number set for POP3 and SMTP servers. Whenever the Outlook error code 0x800ccc1a pops on your computer screen, it restricts you from performing even the basic emailing tasks such as sending or receiving emails, opening them, etc.


Outlook has two servers for sending and receiving emails. Hence, whenever the client application cannot contact one server, then you will encounter the Outlook error 0x800ccc1a. It read as follows:

“An unknown error has occurred. Your server doesn’t support ‘the encryption type’ that you have specified. Kindly save any existing work and restart your system”.

“An unknown error has occurred. Please save any existing work and restart the program. (Account: ‘xxx‘, SMTP Server: ‘‘), Error Number: 0x800ccc1a”.

While there could be several reasons for the occurrence of the issue, here are some of the major reasons that are responsible for the Outlook error 0x800ccc1a:

  1. Type of Encryption: One of the major causes of the occurrence of the outlook error code is the specified encryption type.
  2. Corrupt Outlook Profile: A corrupt or damaged MS Outlook profile can lead to the Outlook error 0x800ccc1a.
  3. Wrong Port Number: A wrong SMTP, IMAP, or POP3 connectivity can lead to the 0x800ccc1a Outlook error code. In most of the cases, the user sets an incorrect port number for the outgoing server (SMTP) or the incoming server (POP).
  4. Antivirus: While this can sound surprising; however, if your antivirus has the email scanning feature, you may encounter the Outlook error on your system.
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Symptoms of Outlook Error 0x800ccc1a

The 0x800ccc1a Outlook error can occur at any time while you are using your computer. The instances could be when you are installing the program, or while running a Microsoft-based software. It may also occur when you are installing any Windows OS, or while starting or closing WIndows on your computer. Below mentioned are the various symptoms of the Outlook error:

  • The frequent crashing of your computer
  • The error pops up on your computer screen and crashes the Windows
  • Slow Windows performance and prolonged response time for any command
  • Freezing of the computer for a few seconds
  • The Outlook error 0x800ccc1a will pop up on your computer screen with a dialog box

Various Ways to Troubleshoot MS Outlook Error Code 0x800ccc1a

Now that you have walked through the various causes and symptoms of the 0x800ccc1a error in Outlook, let’s check out a few effective methods to resolve the error:

1st Method:       MS Outlook Reconfiguration

  • Launch MS Outlook on your computer
  • Locate the “Tools” option, and click on Account Setting


  • Select Email in the Email Account window, and click on Change


  • Click on “More Settings’, and then on Next


  • Select the Advanced tab in the Internal EMail settings window
  • Uncheck “This server requires an encrypted connection (SSL)” in the incoming server


  • Click on OK > Next > Finish, and close the window
  • Restart Outlook, and check if the error 0x800ccc1a has been resolved or not.

2nd Method: Run Windows System File Checker

  • Press the Windows key and type command in the search box
  • Press Enter
  • Type sfc/scannow and press the Enter key
  • The System File Checker will now scan for any errors on the computer including the Outlook error 0x800ccc1a. Once scanned, it will try to resolve the error.
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3rd Method: Repair PST File

  • Go to the Windows File Explorer
  • Navigate Program FilesMicrosoft OfficeOffice 12 folder
  • Click on scanpst.exe, and browse to select the corrupt .pst file


  • Click on Start to repair the file


  • Click on Repair
  • Wait until the repair is complete, and you see the following notification

4th Method: New Outlook Profile

Follow the below-mentioned steps to create a new Outlook profile and resolve the outlook 0x800ccc1a error:


  • Press Windows+R keys together
  • Type control panel and press Enter
  • Click on Mail
  • Click on Show Profiles
  • Click on Add, and name your profile
  • Click on OK
  • Create your new Outlook profile by selecting automatic setup and following the on-screen instructions
  • Open the Control Panel again and click on Mail.
  • Click on Show Profiles > Choose Prompt for a profile, and click OK
  • Close Outlook and reopen it.
  • Select your newly created Outlook profile and check if the 0x800ccc1a error in Outlook is resolved or not.

Instances might occur when you encounter issues like Outlook Search not working. Such issues restrict you from finding anything on Outlook, which otherwise, would allow you to use certain keywords to find emails, contacts, and dates. To rectify the issue, you can follow any of the troubleshooting methods listed above.

While MS Outlook fulfills all the major emailing requirements, there are instances when the email platform encounters issues like error 0x800ccc1a. Apart from restricting you from sending and receiving emails, it also deteriorates your system performance, slows down the response time, and often freezes your computer for a few seconds. While such issues could be frustrating, by following the various troubleshooting techniques listed here, you can resolve the issue in no time and get started with experiencing all the benefits of MS Outlook again.

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