In addition to the Backup / Restore feature you may also create exact copies from existing sets of books, templates (installed in your TCASH5/Books directory or other sets of books in the .../Bin/Repository directory). The following options are available:

Backup / Restore (Start ribbon) 

Save as (Start ribbon)

Create Set of Books ("Copy an existing Set of Books?" option on the "Creation wizard") (Start ribbon).

Tools → Global processes → Copy from a Set of Books menu (Setup ribbon).

Backup Set of BooksRestore Set of BooksSelect backup pathE-mail backup fileBackup fileProgress detailSelect Set of BooksBackup button will change to Restore button (if Restore option is selected) to start the process