MS Outlook facilitates a smooth email communication when all the prerequisites are met, and settings are configured properly. If any single of such settings went incorrect, then the email communication will stop, and user will have to face an error message every time he/she tries to send the email.

One such error is 0x80040607 and the following is its message –

“Send test e-mail message: an unknown 0x80040607 error occurred”

When Outlook gives such an error, then it also shows multiple symptoms that occur simultaneously with the error like the application freezes every time you open it, many tasks take too much time to complete, data from different accounts remain inaccessible, etc.

What are the causes of the error – 0x80040607?

There are multiple reasons behind the above error0x80040607 –

  • The SMTP and POP settings are disabled.
  • The PST data files area either inaccessible or corrupt.
  • The SMTP/POP account is not configured properly in the Outlook application.
  • PST file has exceeded the limits of its usage.

The main cause behind the error is an incorrect setting in the SMTP/POP account. You can check the Outgoing Server and verfity connection with the Outlook. You can also fix the error 0x80040607 by changing the SMTP/POP authentication settings with the Outlook.

How to fix the error 0x80040607 in Outlook?

You can fix the error 0x80040607 by changing the SMTP authentication settings in Outlook. This is how you can change the SMTP authentication settings:

  1. In MS Outlook, go to File, select Account Settings, and click Account Settings.
  2. Select the required account; click Change.
  3. Now click More Settings.
  4. In the Outgoing Server tab, check My Outgoing Server (SMTP) requires authentication checkbox and choose Use same settings as my incoming mail server. Finally, click OK.
  5. Now Outlook will test your settings and then will display the status.
How to fix Outlook errors due to PST corruption?

Outlook errors can be caused by damaged and corrupted PST files. You can resolve these issues by repairing your damaged PST files. You have two options available to repair your damaged PST files - Inbox Repair tool or a third-party tool. If you choose Inbox Repair tool, it can only repair those files whose size is less than 2GB. So, if you have files larger than 2GB, then you have to use a third-party tool like Kernel for Outlook PST Repair. It has some prominent feature like:

  • Repairs bulky PST files without file size limitation
  • Restores permanently deleted items & attachments
  • Exports repaired PST files to Exchange & Office 365
  • Provision to split PST files in to multiple PST files