Keep native formatting and do not change line spacing
I put in a double spaced document and get back one that is single spaced within a paragraph and double spaced between paragraphs. This is not an easy fix when you put it back into office because the double space now adds a triple space between paragraphs. Leave the spacing alone.
Don't change the format of my Turabian paper to whatever yours is! Keep the format and the font, as it is exactly in Word.
Writing done in APA, MLA, and similar formats required specific font types, such as the use of italics and bold words. When pasting text to be reviewed such fonts should be maintained to eliminate the need to review the text again to reformat the removed fonts.
Yilun Lin commented
Yes! When I copy and paste the edited words back to Gmail the line spacing and size of font are both changed, which is a little bit annoying. Useful tool though.
This is a big issue when using a Mac as its the only way to get your document checked...