^^ To add the option for files, simply replace "directory" with "*" in above mentioned registry code as following:
Code:
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\*\shell\movex]
@="Move to X Folder"
[HKEY_CLASSES_ROOT\*\shell\movex\command]
@="wscript C:\\Windows\\System32\\MoveX.vbs %l"