>>*.pdf (portable document format) files are the way to go. These files can be opened regardless of operating system as long as the user has the free Acrobat Reader application or plug-in installed. Acrobat can create *.pdf files very easily from Word or Excel. Simply open these files with Acrobat and they convert automatically! Here'e the URL for Acrobat on Adobe's Web site:
>One more thing...with Acrobat you can create form fields in the files where customers can type directly into the forms and then print them...makes for a more legible application form.
Aside from what GB said I don't think there is much else you can do. If someone wants the form it can be printed and scanned back in under any format they want. Or they could look at it and re-type/create it.