Using Ctrl + ]

Or Ctrl/Cmd + [ to indent back the other way?
@Reader

Using Indent Ui Buttons

Summary
- Ctrl or Command + ] = Indent Right
- Ctrl or Command + [ = Indent Left
Related
How to Delete a Page in Google Docs
Learn how to Delete a page in Google Docs. Either a blank page or a page with content.
DocsProductivity
How to Delete All Unread Emails in Gmail at Once
Let me quickly show you how to delete all unread emails in gmail at once, not just the first 50 in the list.
GmailProductivity
How to Instantly Delete All Emails From one Sender on Gmail
How to delete all emails from one sender on gmail with a single click.
GmailProductivity