Add punctuation: Unsure about which type of KB file you have Do you want to know exactly what it is who created it and how to open it
A: Unsure about which type of KB file you have? Do you want to know exactly what it is, who created it, and how to open it?

Add punctuation: Latest Practical Genetic Research New Directions with New Strategies for Our Success April 2012 Newsletter p 711
A: "Latest (Practical) Genetic Research New Directions with New Strategies for Our Success", April 2012 Newsletter, p. 7-11

Add punctuation: Your room is comfortable and air conditioned
A:
Your room is comfortable and air conditioned.