How to Resolve Error 0x80040605 in Outlook

Encountering Error 0x80040605 in Outlook can be frustrating, especially when it prevents you from sending or receiving emails. This error typically occurs due to corruption in the Outlook data file (PST or OST), incorrect account settings, or issues with the send/receive configuration.

In this guide, we’ll walk you through the most effective solutions to fix Outlook Error 0x80040605 and get your email client back to normal.

What Causes Error 0x80040605 in Outlook?

Before diving into the fixes, let’s understand the common causes of this error:

• Corrupt Outlook Data File (PST/OST)
• Incorrect Email Account Settings
• Damaged Outlook Profile
• Antivirus or Firewall Interference
• Outdated Outlook Version

Now, let’s explore the troubleshooting steps to resolve this issue.

Fix 1: Run the Inbox Repair Tool (ScanPST.exe)

Microsoft Outlook includes a built-in repair tool called ScanPST.exe that can fix corruption in PST files.

1. Close Outlook completely.
2. Navigate to the ScanPST.exe location (usually in C:\Program Files\Microsoft Office\root\OfficeXX).
3. Run ScanPST.exe and browse for your PST file (usually found in C:\Users\<Username>\AppData\Local\Microsoft\Outlook).
4. Click Start to scan for errors.
5. If errors are found, click Repair and wait for the process to complete.
6. Restart Outlook and check if the error persists.

Fix 2: Recreate the Outlook Profile

A corrupted Outlook profile can trigger Error 0x80040605. Creating a new profile may resolve the issue.

1. Open Control Panel > Mail (32-bit).
2. Click Show Profiles.
3. Select your current profile and click Remove.
4. Click Add, enter a new profile name, and reconfigure your email account.
5. Set the new profile as default and restart Outlook.

Fix 3: Disable Antivirus/Firewall Temporarily

Sometimes, security software can interfere with Outlook’s operations.

1. Temporarily disable your antivirus/firewall.
2. Restart Outlook and check if the error is resolved.
3. If the issue is fixed, consider adding Outlook as an exception in your security software.

Fix 4: Update Microsoft Outlook

An outdated version of Outlook may contain bugs that cause errors.

1. Open Outlook and go to File > Office Account.
2. Click Update Options > Update Now.
3. Restart Outlook after the update completes.

This error does not occur in Microsoft Outlook updated to the latest version.

Fix 5: Repair Office Installation

If Outlook files are damaged, repairing the Office installation can help.

1. Open Control Panel > Programs and Features.
2. Select Microsoft Office and click Change.
3. Choose Quick Repair > Repair and follow the prompts.
4. If the issue persists, try Online Repair for a deeper fix.

Fix 6: Check Send/Receive Settings

Incorrect send/receive settings may cause Error 0x80040605.

1. Go to File > Options > Advanced.
2. Click Send/Receive.
3. Ensure your email account is selected and the correct folders are included.
4. Click Edit, verify settings, and save changes.

Fix 7: Use a Third-Party PST Repair Tool

If ScanPST.exe fails, consider using a specialized PST repair tool like SysTools Outlook PST Recovery

This tool can recover severely corrupted PST files and restore emails, contacts, and calendar entries.

Final Thoughts

Error 0x80040605 in Outlook is usually fixable by repairing the PST file, recreating the profile, or adjusting settings. If the issue persists after trying these methods, consider contacting Microsoft Support or using a professional repair tool to repair corrupt PST files.

By following these steps, you should be able to resolve the error and regain full functionality in Outlook.

FAQs

Q1. What does Error 0x80040605 mean in Outlook?
This error usually indicates a problem with the Outlook data file (PST/OST) or incorrect send/receive settings.

Q2. Can I recover lost emails after fixing this error?
Yes, using ScanPST.exe or a third-party repair tool can help recover lost emails.

Q3. Will recreating my Outlook profile delete my emails?
No, your emails are stored in the PST file. A new profile will reconnect to the same data file.