Select Line & paragraph spacing. Click Double. Besides single, 1.15, 1.5, and double spacing, Google Docs also lets you set custom parameters for your line spacing using the Custom spacing button.

Whether you have a requirement to use double-spacing or simply prefer it, you can format your document easily. Here’s how to double-space in Google Docs.

There is a workaround to create double underlines in your Google Docs or Google Sheets where you will need to underline the word , sentence, or paragraph first then apply a bottom border option.