QUESTION: Fix punctuation: Did someone email you a WA_ file and youre not sure how to open it Maybe you have found a WA_ file on your computer and wondering what its for Windows might tell you that you cant open it or in the worst case you might encounter a WA_ file related error message
ANS: Did someone email you a WA_ file and you're not sure how to open it? Maybe you have found a WA_ file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a WA_ file related error message.

QUESTION: Fix punctuation: Most of the medical complications of anorexia nervosa result from starvation Few organs are spared the progressive deterioration brought about by anorexia
ANS: Most of the medical complications of anorexia nervosa result from starvation. Few organs are spared the progressive deterioration brought about by anorexia.

QUESTION: Fix punctuation: Select some of the text on the page and copy it to the Clipboard afterwards for instance by using CtrlC
ANS: Select some of the text on the page and copy it to the Clipboard afterwards, for instance by using Ctrl-C.

QUESTION: Fix punctuation: Competition entries may be published during marketing
ANS:
Competition entries may be published during marketing;