Paragraph.LeftIndent Property (Word)
Returns or sets a Single that represents the left indent value (in points) for the specified paragraph. Read/write.
expression A variable that represents a 'Paragraph' object.
This example sets the left indent of the first paragraph in the active document to 1 inch. The InchesToPoints method is used to convert inches to points.
ActiveDocument.Paragraphs(1).LeftIndent = InchesToPoints(1)