Save where? .htm is an HTML page you'll need a PHP page to save the form info to a file, database or email.
main.php that calls page1.php, page2.php and page3.php
calls how, is it including the other files or cURL posting to them or reidrecting to them or etc...
information has to still be available after main.php
Session, hidden inputs, write to file, store in database. lots of ways depends what you're doing.
I tryed execCommand(SelectAll | Copy | Paste) which works fine in the php but doesn't show up in the htm file.
A .htm wont execute a PHP command
Could you perhaps explain that again maybe with some code samples?