gVim showing carriage return (^M) even when file mode is explicitly DOS

Question

I\'m using gVim on Windows. My code shows ^M characters at the end of lines. I used :set ff=dos to no avail. The ^M characters remain

Answer 1

tried a lot of things but the following worked

:%s/\r/\r/g

note: use g if you want the effect on the whole file