Method 3 – Edit the messageīy editing the message first and saving it, you could reset a particular corruption of the message which allows you to remove it normally afterwards Outlook will display a warning if you really want to do this. This message will now skip the Deleted Items folder and will directly be permanently deleted. You can also “hard delete” the message by holding the SHIFT button while clicking on the Delete button or using the Delete button on your keyboard. You’ll also find this command when you select the Deleted Items folder and then select the Folder tab of the Ribbon. The easiest method is to first empty the Deleted Items folder and then try to delete the message again.Ī quick way to do this is by right clicking on the Deleted Items folder and choosing “Empty folder”. Method 1 – Empty the Deleted Items folder If you get the error “The Folder is full” see Folder is full. If you have a message stuck in your Outbox see Message stuck in Outbox. There are 4 easy methods which you can use to solve this for most situations. “Messaging interface has caused an unknown error.” When trying to delete a message, it could be that Outlook refuses this and shows an error message.