"History Master
"By default, OpenOffice.org lists the last ten documents you have opened in the sub-menu File -> Recent Documents. This arrangement is fine, so far as it goes, and an improvement over the distant days when only three recent documents were displayed. But History Master goes further, adding all the enhancements that people regularly ask for on the mailing lists and then some.
"History Master adds two items to the menus. The first is File -> Recent documents of the same type. This item opens the History Master Window to allow you to filter the list so it only shows documents of one type -- for example, word processing documents, or spreadsheets. When you have a long list of recent documents, this list can greatly simplify locating a document.
"The second menu addition is Tools -> Add-Ons -> History Master - List handling, which opens the extension's main window. From here, you can do such frequently requested actions such as set the length of your recent document list from 0-100, and either clear or selectively delete the list. You can also move items up or down in the list (which can be handy if you want to keep a frequently used item on the list) or remove any documents from the list that are no longer accessible because they have been moved or deleted. In addition, you can switch between the default picklist and URLS if you are working with HTML documents."
