OFH - Version 2.10 The utitlity that allows registered applications to access opened and/or locked files. It is designed for Windows NT 4.0. - access any files on the system, NT registry, files opened with exclusive access;- supported applications are: Auto Mirror, Xcopy, WinZip, BxCopy, ArcServ, Robocopy, NTbackup. We can make your application to work with OFH too!