Add punctuation: Before you can open a DATA5 file youll need to figure out what kind of file the DATA5 file extension refers to
A: Before you can open a DATA5 file, you'll need to figure out what kind of file the DATA5 file extension refers to.

Add punctuation: Additionally seeing how communities engage with content off your site provides an increasingly critical view into how your messages spread in the petri dish of social platforms
A: Additionally, seeing how communities engage with content off your site provides an increasingly critical view into how your messages spread in the petri dish of social platforms.

Add punctuation: 2134 And the LORD said unto Moses Fear him not for I have delivered him into thy hand and all his people and his land and thou shalt do to him as thou didst unto Sihon king of the Amorites which dwelt at Heshbon
A:
21:34 And the LORD said unto Moses, Fear him not: for I have delivered him into thy hand, and all his people, and his land; and thou shalt do to him as thou didst unto Sihon king of the Amorites, which dwelt at Heshbon.