Shortcuts for Changing Line Spacing in a Word Document

In Word, single-space, space-and-a-half or double-space are the most commonly used line spacings. The following keyboard shortcuts are quick and easy ways to change these settings.

First, select the text that you want to change. (Use Ctrl+A if you want to select the entire document.)

Then,
Ctrl+1 will apply single spacing
Ctrl+2 will apply double spacing
Ctrl+5 will apply 1½ spacing