Try XXCOPY (a freeware for personal use)
http://www.xxcopy.com/It is a general purpose file management tool that can copy,
delete, list, etc. The command syntax is compatible with
that of XCOPY. It offers a wide variety of file-selection
mechanisms that includes file size, file date, age, attributes,
etc. just to name a few.
E.g.,
xxcopy "c:\My Documents\*.doc /rs/s/db#30 // 30 days or older
xxcopy c:\ /rs/s/db:1998-04-30 // files made Apr,98 or before