Q. How do I single space in Word Document?

Change the line spacing in a portion of the document

Select the paragraphs for which you want to change the line spacing.
On the Home page, in the Paragraph group, click Line Spacing.
Line Spacing on the Home page

Do one of the following:
Click the number of line spaces that you want.
For example, click 1.0 to single-space with the spacing that is used in earlier versions of Word. Click 2.0 to double-space the selected paragraph. Click 1.15 to single-space with the spacing that is used in Word 2010.

Click Line Spacing Options, and then select the options that you want under Spacing. See the following list of available options for more information.