Requirements:Winrar and command prompt
>>Add files to any .rar file say files.rar
>>Now say, if you have any image named pic.jpg
>>Copy files files.rar and pic.jpg in c:\ drive
>>Go to start>Run>Type cmd to open command prompt
>>Type cd.. and press enter
>>Do the above step again to get to c:\ drive in command prompt
>>Type copy /b pic.jpg + files.rar new.jpg (Don't forget give spaces wherever needed)
>>Thats it now we have a single file named as new.jpg which can be seen as image in reality.
>>But to open it secretly,Right click new.jpg>Open with..>Choose program>Select winrar archiver>Now you can view or extract files
*The size of new.jpg is size of pic.jpg and files.rar
