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4 top methods to fix ‘Deleting Messages Does Not Work’ issue in Outlook Express

On various Microsoft forums and community sites, Outlook Express users complain that their Outlook Express cannot delete emails in the inbox, even after they click delete on any email item, nothing happens. While trying to remove a message, Outlook may refuse to delete existing messages from the Outlook mail and it shows an error message. Most common error messages are “An unknown error has occurred” and “Messaging interface has caused an unknown error.” Outlook technical support seems to be the best option for resolving the issue.

When deleting messages does not work, Outlook users rush for having timely and reliable technical help from Microsoft support experts. Some online forums suggest users follow these steps: Use search advanced function and search *.dbx files on the active drive>remove all you find>shut the search down> re-Boot>open Outlook Express>send a test message to yourself>see if the message will delete properly, and post back as to results.


Probably this suggestion can favor you and prevent you from dialing a Microsoft support phone number for Outlook help.


  • If you have a message stuck in your Outbox see, it means that the message is stuck in Outbox.
  • If you get the error “The Folder is full,” you find that the Folder is full.

If you are facing such situations, then you can try these four methods suggested by Outlook support professionals certified by Microsoft.

Empty the Deleted Items folder: It is a fast way to delete the message and right click on the Deleted Items folder and choosing “Empty folder” to do so.

Hard delete the message: This method can be used to delete the message when you hold the SHIFT button, click on it or use it on your keyboard.

Edit the message: First edit the message and save it. Reset a particular corruption of the message that lets you remove it afterward. To do so, open the message>place the message in edit mode by choosing Choose Edit-> Edit message in Outlook 2003 and previous; and by choosing Actions-> Edit Message in Outlook 2007, Outlook 2010, Outlook 2013 and Outlook 2016>type or remove some characters >save and close the message>try to delete the message again.

Scan your pst-file for errors: Use this method, if the above methods fail. Now the issue can be concerned with a corruption within your pst-file. Run scanpst.exe against your Personal Storage (pst-) file to fix this issue. Note that, the location of scanpst.exe depends on Outlook and Windows versions. You can also ask for Outlook support services. Get an overview of the possible location—Inbox Repair Tool (scanpst.exe)—or use OutlookTools (free).

When you don’t know the location of your pst-file, use the following methods:

  • Embrace hidden and system files and folders
  • Default locations: C:\Documents and Settings\%username%\Local Settings\Application Data\Microsoft\Outlook\; \My Documents\Outlook Files; \Documents\Outlook Files; C:\Users\%username%\AppData\Local\Microsoft\Outlook.

Another way to locate the file is to right click the root folder:

  • Properties-> button Advanced-> field Filename
  • Go to File-> Data File Management in Outlook 2007 and previous
  • Go for File-> Account Settings-> Accounts Settings…-> tab Data Files Outlook 2010, Outlook 2013 and Outlook 2016.

If you are still unable to delete the messages, then dial a Microsoft tech support phone number for Outlook Express.

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