We recommend to store your books in cloud services.
For recovery of the lost password to your book you need to use function of recovery of the password.
The new password will be sent to your mail specified in the book.
Yes, you can change the name of the book. For change of the name of the book you need to open a dialog box "Book Information" and to use the "Rename a book" button.
No. You pay once and you obtain the perpetual license for My Data Keeper 2.
For an insertion of the bound value in the field for input use combination Ctrl + Left-click over a field for input.