Troubleshot Outlook Express: Send Email Report Failure

Microsoft Outlook Express has storage limitation. If Inbox size more than 2GB, Outlook Express will fail manage Sent Items file (email sent report will fail). We need to convert existing full Inbox folder in to archive folder.
To troubleshoot this problem, you can follow guidance step-by-step below:

Create dummy folder, example xbox. Then, copy an email form Inbox to xbox to trigger it as valid folder.

Go to Outlook Express folder. Right clik on Inbox folder, select Properties, copy the path of folder. Paste it on Windows Explorer

Close your Outlook Express before go to next step!

Outlokk Folders is opened. Please take action below carefully:
1. Rename Inbox.dbx to xbox1.dbx.
2. Rename xbox.dbx to Inbox.dbx.
3.Then rename xbox1.dbx to xbox.dbx

Add caption

Now our Inbox is rename into xbox, and our new xbox folder become fresh Inbox folder. You may rename xbox into more descriptive example: Archives_20110301

I hope this tutorial useful :)