Closing Outlook Express causing Error 623

Asked By 20 points N/A Posted on -


Hi experts!

Outlook Express applies to: Windows/Windows XP/Networking, Mail and Getting Online. I just transformed to Wi-Fi from BT Voyager 105 modem. After that I have tried to uninstall my modem driver but I was unable to do so. When I tried to close outlook express, I get the error 623: unable to find postbox for this message.

I have no problem by sending and receiving messages. I am using Windows XP operating system SP3 and OE 2000.

Please help me. Thanks.

Answered By 0 points N/A #108704

Closing Outlook Express causing Error 623


Hello Herbert,

The reason you are receiving error 623 is because outlook is still trying to find or use dial up settings in your computer. What you need to do is go to your account settings within outlook and see how, and then verify your connection settings. Here is how I got around the error 623 issues:
These are the steps to follow to get rid of the error message:

  1. Go to Tools on outlook
  2. Select E-Mail Account
  3. Select Next
  4. Go ahead and select change
  5. Click on more settings
  6. Select Connections Tab
  7. Change connection to display the following:

    • Connect using my local area network (LAN) & (if you take your PC home regularly) tick the box to connect via modem when Outlook is offline.

I hope this would help. If you have any follow up questions, feel free to let me know.

Answered By 569760 points N/A #309073

Closing Outlook Express causing Error 623


Try upgrading Microsoft Outlook Express. Microsoft Outlook Express is bundled with Microsoft Internet Explorer so, to upgrade Microsoft Outlook Express you need to install the latest Microsoft Internet Explorer. Since you are using Microsoft Windows XP, the highest possible version you can install is Microsoft Internet Explorer 8 but to install this version, you need to update to Service Pack 3.

Microsoft Internet Explorer 8 requires Windows XP Service Pack 3. So, to fix the problem, first, download Windows XP Service Pack 3 and update your operating system. This is the latest and last Service Pack update for Microsoft Windows XP. Once Service Pack 3 is installed, click to restart the computer when you are prompted to complete the update.

After booting, download Microsoft Internet Explorer 8. This is the highest version of the browser to support Microsoft Windows XP. Microsoft Internet Explorer 8 supports Windows XP Service Pack 2 and higher, Windows Vista, Windows Server 2003 Service Pack 2, and Windows Server 2008. Once this is installed, try using Outlook Express again and see if it works.

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