Paragraph.Space1 (Word)

Single-spaces the specified paragraphs.

The exact spacing is determined by the font size of the largest characters in each paragraph. You can also use the LineSpacingRule property to set the line spacing for a paragraph. The following two statements are equivalent:

ActiveDocument.Paragraphs(1).Space1 
ActiveDocument.Paragraphs(1).LineSpacingRule = wdLineSpaceSingle