

To clear either MRU list, you can simply delete the corresponding registry key when Outlook is closed. Some are tied to the general Outlook configuration of the logged in user and others are tied to the specific mail profile Outlook has been started with. Outlook holds two different kind of MRU lists.

In some cases you might want to clear this MRU list. For certain actions, Outlook holds a list of most recently used items (MRU lists) so you have quicker access to them.
