Outlook Error Code 8: Causes, Symptoms, and Solutions


Outlook Error Code 8 is a common error that users encounter when accessing their mailbox data. This error can occur due to various reasons, including security issues, corrupt Outlook profiles, network problems, and server issues. In this article, we will discuss the causes, symptoms, and solutions for it.

Causes of Outlook Error Code 8

  1. Security issues: High-security settings can prevent Outlook from connecting to the server, leading to Error Code 8.
  2. Corrupt Outlook profile: A corrupted Outlook profile, caused by factors like a virus attack or system shutdown, can result in Error Code 8.
  3. Network issues: Weak or unstable network connections can prevent Outlook from establishing a connection with the server.
  4. Server issues: If the server is down or undergoing maintenance, Outlook may be unable to connect, resulting in Error Code 8.
  5. Invalid email addresses: Incorrectly spelled or non-existent email addresses can cause issues with sending or receiving messages in Outlook.

Symptoms of Outlook Error Code 8

  1. Inability to access mailbox data.
  2. Error message while sending or receiving emails.
  3. Outlook cannot connect to the server.
  4. Unexpected termination of the connection.
  5. Corrupted Outlook profile.
  6. Synchronization problems between Outlook and the email server.
  7. Issues with the OST or PST file.
  8. Error 0x8004010F: Outlook data file cannot be accessed.
  9. “The operation failed” error.
  10. “An object could not be found” error.

If users experience any of these symptoms, they should take immediate action to resolve the error. They can try various solutions, such as installing the latest updates, checking the internet connection, disabling antivirus software temporarily, repairing the Outlook data file, verifying Exchange server settings, reinstalling Microsoft Outlook, running Outlook in safe mode, creating a new Outlook profile, or using a third-party tool. By following these solutions, users can prevent it from occurring in the future.

Here are some solutions for Outlook Error Code 8

  1. Install the latest updates: Ensure that you have installed the latest updates for Microsoft Outlook. This can help fix any bugs or issues that may be causing the error.
  2. Check your internet connection: Verify that your internet connection is stable and reliable. A weak or unstable connection can cause it.
  3. Disable antivirus software: Temporarily disable your antivirus software to check if it is causing the error. Sometimes, antivirus software can interfere with Outlook’s connection to the server.
  4. Repair Outlook data file: Try repairing your Outlook data file using the built-in repair tool, ScanPST.exe or ScanOST.exe. This can fix any issues with the data file that may be causing the error.
  5. Verify your Exchange server settings: Double-check your Exchange server settings to ensure they are correct. Incorrect settings can cause Outlook Error Code 8.
  6. Reinstall Microsoft Outlook: If none of the above solutions work, try reinstalling Microsoft Outlook. This can fix any installation issues that may be causing the error.
  7. Run Outlook in Safe Mode: Try running Outlook in Safe Mode to check if any add-ins or extensions are causing the error. Safe Mode disables all add-ins and extensions, helping to identify the cause of the error.
  8. Create a new Outlook profile: Create a new Outlook profile to see if the error is caused by a corrupt profile. This can fix any issues with the profile that may be causing the error.
  9. Use a third-party tool: Utilize a third-party tool like Yodot Outlook PST Repair or Stellar Repair for Outlook to fix Outlook Error Code 8. These tools can help fix any issues with the data file that may be causing the error.


This can be frustrating for users as it can prevent them from accessing their mailbox data. However, by following the solutions mentioned above, users can easily resolve this error and prevent it from occurring in the future. It is important to keep Outlook updated and check your internet connection to avoid any network-related issues. If the error persists, users can use a third-party tool to repair their Outlook data file.