Add punctuation: Before you can open a CRDOWNLOAD file youll need to figure out what kind of file the CRDOWNLOAD file extension refers to
A: Before you can open a CRDOWNLOAD file, you'll need to figure out what kind of file the CRDOWNLOAD file extension refers to.

Add punctuation: Baking powder is made of sodium bicarbonate baking_soda cream of tartar a byproduct of the wine making and starch
A: Baking powder is made of sodium bicarbonate (baking_soda), cream of tartar (a byproduct of the wine making), and starch.

Add punctuation: And they came to the threshingfloor of Atad which is beyond the Jordan and there they lamented with a great and very grievous lamentation and he made a mourning for his father of seven days
A:
And they came to the threshing-floor of Atad, which is beyond the Jordan; and there they lamented with a great and very grievous lamentation; and he made a mourning for his father of seven days.