The Show History For dialog box allows you to specify which portion of the repository is to be included in the query. For more information, please see History Explorer.
To open the Show History For dialog box, do one of the following:
Click on Change Top Object on the History Query Filter/Sort dialog box
On the History Explorer window, from the Query menu, select Top
Select a file or folder from the tree.
If a file is selected for the Top of the query, then that file is the only object of interest. If a folder is selected for the Top of the query, then the query includes all changes to that folder and all of its contents, recursively.
Click OK to set the Top and close the History Top dialog box and return to the History Explorer. The new selection will appear.
Click Cancel to close the History Top dialog box. The History Top of the query will not change.