I'm not talking about support for the program, but the ability to safely
open, read, and close documents created in the older products. Use MS Office 2003 to open a Word 2a file and the file gets trashed, use Office 2010 to open a document created in Office 97 and the file gets trashed. Yes, you can get some add-in files that will help you to update the files to the latest version of MS Office format, but it always changes the created and changed dates and thus nullifies the legal status of the files.