How to double space in Microsoft Word on different versions of the word processor

You can double space in Word for an entire document or selected paragraphs to increase the amount of space between your lines ...

How to double space in Google Docs on desktop or mobile, or add custom spacing

You can double space in Google Docs using the "Line spacing" menu, which is available both on the website and in the mobile app.

Microsoft’s new Word tests are a direct threat to Google Docs

Word’s testing a new default that saves fresh documents to OneDrive with autosave active. It’s convenient and good for recovery, but it also nudges more files into the cloud unless you opt out.