How to Solve Outlook Unknown Error 0x800cce05

Updated May 2024: Stop getting error messages and slow down your system with our optimization tool. Get it now at this link
  1. Download and install the repair tool here.
  2. Let it scan your computer.
  3. The tool will then repair your computer.

This Microsoft Outlook error indicates that the task ‘Hotmail – Send’ has reported an error (0x800cce05): ‘Unknown error 0x800cce05’. Most people have problems sending and receiving emails via Outlook.

0x800cce05 Outlook Error

Outlook error 0x800cce05 issue does not allow users to send emails. In this error, the user can receive e-mails, but cannot send them to other people. Because if the user tries to send Outlook and configure a new email account, this error code is displayed. This error code can also occur when sending an SMTP-based e-mail. This Outlook error usually occurs when the Microsoft Windows firewall blocks Microsoft Outlook.

This error can be caused by corrupted system files that cause conflicts with some software, such as Outlook. The Internet security software installed on the PC may also be the cause of this error.

Solutions for Outlook Unknown error 0x800cce05

Outlook is a stand-alone email processing software that allows users to easily manage and execute all email tasks. The Outlook package includes a calendar, task manager, contact manager and all the tools you need to create a reliable stand-alone messaging software. If you are an intensive user, it is important to correct the error 0x800cce05.

May 2024 Update:

You can now prevent PC problems by using this tool, such as protecting you against file loss and malware. Additionally it is a great way to optimize your computer for maximum performance. The program fixes common errors that might occur on Windows systems with ease - no need for hours of troubleshooting when you have the perfect solution at your fingertips:

  • Step 1 : Download PC Repair & Optimizer Tool (Windows 10, 8, 7, XP, Vista – Microsoft Gold Certified).
  • Step 2 : Click “Start Scan” to find Windows registry issues that could be causing PC problems.
  • Step 3 : Click “Repair All” to fix all issues.


Run the SFC analysis (System File Checker)

If you want to get rid of the error code 0x800cce05, it means you want to get Outlook’s email functionality back. The most reliable solution is the System File Checker Scan. Let’s go, let’s go, let’s go:

Open the Command Prompt > select Command Prompt (Admin) > type sfc /scannow > press Enter. If you have a little patience when the scanning is successfully completed, the problem will be solved automatically.

Create a new Outlook profile

Create a new outlook profile

  1. Open the system and go to the Start menu.
  2. In the Start menu, the search field enters the control panel and clicks on it.
  3. Then open the control panel and change the category icon to small icons in the upper right corner.
  4. Then, you automatically change the small icons.
  5. Then click on Mail or Mail (32 bits).
  6. Then open the new window.
  7. Then click on the Add button and open the new profile window and enter the name of the profile in the desired location.
  8. Then open the Add New Email Account window and fill in all the details after clicking the Next button.

If the above solution did not fix the error, your Outlook data file is most likely corrupted. If the Outlook data file (also known as the PST file) becomes corrupted or corrupted, it stops Outlook from working properly and increases the number of unknown error codes. Thus, you must use Stellar Outlook PST Repair Tool to repair your corrupted PST file. This tool retrieves all elements of a corrupted PST file, including deleted emails and contacts, and saves them in a new PST file. After repairing the PST file with this tool, the unknown error code 0x800cce05 is deleted.

Expert Tip: This repair tool scans the repositories and replaces corrupt or missing files if none of these methods have worked. It works well in most cases where the problem is due to system corruption. This tool will also optimize your system to maximize performance. It can be downloaded by Clicking Here