Instructions apply to Outlook 2019, 2016, 2013, 2010, 2007, and 2003.
So, you have to purge the half-gone emails to delete them from the server.
In theClean Upgroup, selectPurge.
SelectPurge Marked Items in All Accountsto eliminate deleted messages from all IMAP accounts.
Or choose to purge messages in a folder or email account.
SelectYesto confirm the permanent deletion of emails.
The messages are permanently deleted from Outlook.
For Outlook 2007
Go toEdit.
SelectPurge Marked Items in All Accounts.
Or choose to purge items for the selected folder or for an email account.
Confirm that you want to delete emails.
For Outlook 2003
SelectEdit.
SelectPurge Deleted Messagesto remove deleted items from the current folder.
Right-click theRibbonand chooseCustomize the Ribbon.
In theMain Tabssection, pick the menu tab where you want the new command to appear.
SelectNew Groupto display a listing labeledNew Group (Custom).
SelectRenameto give the group a customized name.
throw in a newDisplay Nameand choose aSymbolfor the custom button.
Select theChoose commands fromdropdown arrow and selectAll Commands.
The command appears under the new group you made.
Your new shortcut appears on theRibbon.
grab the shortcut to permanently delete email messages.
What Happens If I Don’t Delete These Emails?
From the perspective of the email server, the messages still exist.
Some email accounts don’t allow for much storage space.
