Will organizer create a second file of all of my photos, or will it just set up addresses as to where they are. I have several thousand photos, and do not wish to end up with two sets of them taking up space.
Unless you have a mac and use the Import from iPhoto command, no. The organizer is just a database of your existing photos. (For iphoto users, organizer copies everything because writing into the iphoto library from outside iphoto could corrupt the iphoto library and cause loss of photos.)
Europe, Middle East and Africa