If an item is pinned, it will still travel down the list, but will not vanish from the list.If an item already appears somewhere in the list but is accessed again, then that item moves back to the top of the list.Once the list is full (default value is ten), older items fall to the bottom of the list as new items are added to the top of the list. Items will move down in the list over time.A new item is always added at the top of the Recent items list.According to the Microsoft knowledgebase the Recent Items algorithm produces the following behavior: You can also “pin” files and folders to the Recent Items list, so you always have quick access to them.
