Salam Dosto mujay ik help chahye....

Hum apnay important (ms word, excel and winrar files) ko password tho laga detay hain... lekin tab b wo secure nahi hotay kyon k koe b on files ko kbi b delete kar sakta hai....
Kya koe esa tareeka hai....
keh koe hamaray files ko delete b na karay without any software help