how to do restore of only modified files after a full restore in Puredisk 6.6.3

HI,

I have client request to restore modified file only after a full restore done previously.

This to avoid the long duration of entire content restore. which of these options can select to restore modified files only

The restore GUI only have option

1) Overwrite existing file

2) DO not restore if the file exist

3 Restore with temperory name

Thanks,
Logen