How to Fix Error MS Outlook Error 0x800ccc1a – 7 Quick Steps

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  • Updated on April 23rd, 2025

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Microsoft Outlook is not just an email client; it’s a robust application for handling emails, calendars, and tasks. Nevertheless, when an email or attachments aren’t sent or received because of improper SSL port settings, Outlook Error 0x800ccc1a can happen. Other typical causes are network connectivity problems, improper mail server settings, and interference from antivirus software. If you get this error, the guide has an in-depth solution to fix the 0x800ccc1a error. Other than that, it also addresses the use of a PST Recovery Tool to fix the problem efficiently.

What is the Outlook Error 0x800ccc1a?

Error 0x800ccc1a is a general error that takes place when there is an issue with SSL encryption settings while sending emails. It most commonly occurs when sending or receiving emails via POP3 or IMAP accounts.

“Your server does not support the encryption type you have specified. Try changing the encryption method. Contact your mail server administrator or internet service provider (ISP) for additional assistance.”

What Causes the Outlook Email Error 0x800ccc1a?

The error 0x800ccc1a typically pertains to encryption or connection problems when sending or receiving mail. The following are the typical causes:

  • Incorrect port numbers or methods of encryption set for the email account.
  • Corrupted Outlook data files may interrupt sending or receiving mail.
  • Security programs may block Outlook’s access to the mail server.
  • Server name, port, or authentication setting problems.
  • Unreliable or dropped internet connections may interrupt sending mail.
  • The email server can be unavailable or not responding to Outlook’s request.

Manual Methods to Fix Error 0x800ccc1a in Microsoft Outlook

This issue mostly comes up when Outlook is unable to connect with the mail server, caused by incorrect encryption settings, ports, or corrupt data files. Following are detailed manual procedures to fix it:

1. Temporarily Disable Antivirus Software to Fix Outlook Error 0x800ccc1a

Antivirus programs can sometimes interfere with Outlook, locking files during scanning. This can trigger the 0x800ccc1a error when Outlook tries to open these files.

Steps:

  1. Press the Windows and R keys & type Control Panel and press Enter.
  2. In the Control Panel window, click on System and Security.
  3. Select Windows Defender Firewall from the available options.
  4. On the left sidebar, click Turn Windows Defender Firewall on or off.
  5. Choose Turn off Windows Defender Firewall under network settings.
  6. Click OK to save and apply the changes.

Remember to turn the firewall back on after troubleshooting to keep your system secure.

2. Fix Outlook Error 0x800ccc1a Using the SSL Encryption and Port Settings

Outlook might be using the incorrect ports or encryption type. Every mail provider has special settings, and the wrong one will break the connection and cause this error.

Steps:

  1. Open the Outlook program on your machine.
  2. Tap on the File option in the upper left-hand corner.
  3. Click Account Settings and again tap on Account Settings in the drop-down list.
  4. Select the account with the error.
  5. Tap on Change to display account setup options.
  6. Tap on More Settings in the bottom right-hand corner of the pop-up window.
  7. A new window with the name Internet Email Settings will appear.
  8. Click on the Advanced tab.
  9. Now you’ll see options to change the incoming and outgoing server port numbers.
    1. For IMAP Accounts
      1. Incoming server (IMAP): 993
      2. Use the following type of encrypted connection: SSL/TLS
    2. For POP3 Accounts
      1. Incoming server (POP3): 995
      2. Use the following type of encrypted connection: SSL/TLS
  10. If the test is successful, click Finish to close the setup wizard.

Automated Solution to Fix Outlook Error 0x800ccc1a

If the above method does not succeed, an error can be repaired with a PST Recovery Tool. The tool scans and recovers data from severely damaged PST files with ease without resulting in any data loss. Moreover, experts and professionals also suggest that this tool be used because it has a high success rate and is simple to use. The tool design is efficient enough to improve the recovery speed without compromising the data reliability. In addition, it also resolves the Outlook error 0x80040600 along with SMTP issues.

Simple Steps to Resolve the “Sending Reported Error 0x800ccc1a”

  1. Download and launch the PST Recovery Tool on your computer.
  2. After that, click on the Open option to begin loading your PST file.
  3. Next, browse and select the PST file from its saved location on your system.
  4. Prefer the appropriate recovery mode based on the level of corruption.
  5. After the scan completes, preview the recovered data in the left-hand panel.
  6. Now, select the specific files or folders you want to recover.
  7. Click the Save button to export and save the recovered data.

Conclusion

If you prefer a quick solution to repair the MS Outlook error 0x800ccc1a, you can opt for a professional tool. However, you also have some manual steps that may be suitable for you. If the email is extremely corrupted, it’s advisable to skip all the manual steps and go straight for the professional tool. This tool assists you in repairing the error smoothly and offers an instant solution without any possibility of data loss.

Also Read: Outlook Timeout Error 0x8004210a.

Frequently Asked Questions:

Q. What causes this error in Outlook?

Ans: Common causes include

  • Incorrect SSL encryption settings
  • Corrupted PST/OST files
  • Misconfigured email server settings
  • Antivirus or firewall interference
  • Network connection problems

Q. Will I lose my emails if I fix the error?

Ans: No, you won’t lose your emails. When manual methods or recovery tools are used properly, they ensure your Outlook data remains safe, intact, and fully accessible throughout the troubleshooting or repair process. Preserving your important emails and attachments.

You can also read:

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About The Author:

Raj is a skilled technical writer who makes complicated topics easy to understand. With experience in email and cloud migration, he creates clear and engaging content that helps readers learn about technology. His work is trusted by many and has been featured on well-known tech sites.

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