Need to identify and archive windows folders/subfolders where there has not been any activity in last 365 days. IE no new files or changes to files. Does not HAVE to be XXCOPY, but XXCOPY is corp. approved
Robocopy (Robust File Copy) can probably help you with this. It's part of the Windows Server Resource Kit for Windows 2003 and earlier, and Vista/Server 2008+ include it by default.
So something like
More info: Robocopy and a Few Examples, and more info is also available if you type
Alternative/additional "robust" file copying programs you could also try are covered in this SU question: Intelligent file copy/move software?