Researchers from Microsoft have been revealed that it is better to use old passwords than creating new ones. Internet users who are sick of endlessly memorizing passwords would be much better off reusing the same one over and over, according to surprising research published by Microsoft. R&D from Microsoft reveals that critical and unique passwords are useful to access sensitive and confidential data like bank accounts. Users should create a list of sites which they frequently visit and set passwords accordingly. Our findings directly challenge some conventional wisdom,” the experts say.