OS: Win 7 SP1 Application: Lotus Notes R6.51 I accidentally deleted the whole lotus\notes\data directory (which includes an archived mail database) from c:\ on a PC and cleaned up recycled bin too. I want to get the archived database back. The archived database has file extension of .nsf I tried ntfs undelete program to no avail. Seems to me that there is something special about this type of file 'cos I was able to retrieve .doc and .exe files using ntfs undelete without any drama. Could anyone suggest any solution or tool to recover this .nsf file? Thanks!