/maxage: <N> Specifies the maximum file age (to exclude files older than N days or date).
/minage: <N>  Specifies the minimum file age (exclude files newer than N days or date).
/maxlad: <N> Specifies the maximum last access date (excludes files unused since N).
/minlad: <N> Specifies the minimum last access date (excludes files used since N)
If N is less than 1900, N specifies the number of days. Otherwise, N specifies a date in the format YYYYMMDD