In most programs you can press CTRL+O to open a file
You can't open a csv file as a jpg file. A csv is a text format for letters and words and a jpg is a graphic format used for photographs, so they are not compatible. They are used for completely...
you cant because computers dont understand C. you need to use a compiler to convert it into a binary.
open a .rar by using a program like WinZip or WinRar. Both have free trials.
yes