If your Send To is missing when you right click in Windows NT Explorer, Microsoft recommends that you verify the following entry is present in the registry, using Regedt32:

HKEY_CLASSES_ROOT\AllFileSystemObjects\Shellex\ContexMenuHandlers\Send To\<No Name>

According to Microsoft, this blank Value name is a type REG_SZ entry
and should have a string value of (7BA4C740-9E81-11CF-99D3-00AA004AE837)

I could not find this entry on any Windows NT computer I checked.

If you create the above entry (and reboot), and Send TO still doesn't function, try setting the <No Name> string value to
\{7BA4C740-9E81-11CF-99D3-00AA004AE837\} instead.

If this still doesn't work, I recommend that you run the following REG file using regedit /s <Drive:>\Folder\FileName.REG:

                               REGEDIT4                              \[HKEY_CLASSES_ROOT\CLSID\\{7BA4C740-9E81-11CF-99D3-00AA004AE837\}\]                              @="Microsoft SendTo Service"                              "flags"=dword:00000001                              \[HKEY_CLASSES_ROOT\CLSID\\{7BA4C740-9E81-11CF-99D3-00AA004AE837\}\InprocServer32\]                              @=hex(2):25,53,79,73,74,65,6d,52,6f,6f,74,25,5c,53,79,73,74,65,6d,33,32,5c,73,  68,64,6f,63,76,77,2e,64,6c,6c,00                              "ThreadingModel"="Apartment"