In X-Cross, all the windows can be resized, and they will be reopened in the same position and with the same size. In addition to that, single fields inside the window can be resized, and they will mantain the modified size when the window is closed and reopened.
The lists on screen can be customized for every single user. The order of the columns can be changed, new columns can be added and columns in the list can be removed.
All the lists can be sorted by any column, even with a multi level sort, and the sort order can be saved.
The user can set, like in an internet browser, his own bookmarks for the sections that are used mor frequently.
In MS Windows, the colors of all the interface elements (windows, toolbars, menus, fields, windows title bar, etc.) can be customized by the user.
In Mac OS, the icons on desktop and the windows of other programs can be hidden while X-Cross is running.