Move line down

`Ctrl` + `↑ Shift` + `↓`

All hotkeys for Dropbox Paper

Formatting Bold	`Ctrl` + `B`
Formatting Italic	`Ctrl` + `I`
Formatting Underline	`Ctrl` + `U`
Formatting Strikethrough	`Ctrl` + `Alt` + `S`
Formatting Highlight	`Ctrl` + `E`
Formatting Link	`Ctrl` + `K`
Insert Mention person(@Christina)	`@`
Insert Link to doc(+ Meeting Notes)	`+`
Insert Emoji 😀	`:`
Formatting text (Mac) *Insert a large header (h1)**	`#` then `Space`
Formatting text (Mac) Insert a medium header (h2)*	`#` then `#` then `Space`
Formatting text (Mac) Insert a small header (h3)	`#` then `#` then `#` then `Space`
Markdown formatting 1. Numbered list	`1` then `.` then `Space`
Markdown formatting Bulleted list	`*` then `Space`
Formatting text (Mac) Create to-do	`[` then `]` then `Space`
Markdown formatting Blockquote	`>` then `Space`
Block formatting Large header	`Ctrl` + `Alt` + `1`
Block formatting Medium header	`Ctrl` + `Alt` + `2`
Block formatting Small header	`Ctrl` + `Alt` + `3`
Block formatting 1. Numbered list	`Ctrl` + `↑ Shift` + `7`
Block formatting Bulleted list	`Ctrl` + `↑ Shift` + `8`
Block formatting Task list	`Ctrl` + `↑ Shift` + `C`
Block formatting Blockquote	`Ctrl` + `↑ Shift` + `>`
Block formatting Code block	`Ctrl` + `Alt` + `C`
Editing Find and replace	`Ctrl` + `F`
Editing Find next	`Ctrl` + `G`
Editing Find previous	`Ctrl` + `↑ Shift` + `G`
Editing Post comment	`Ctrl` + `⤶ Enter`
Editing Indent	`⭾ Tab`
Editing Unindent	`↑ Shift` + `⭾ Tab`
Editing Move line up	`Ctrl` + `↑ Shift` + `↑`
Editing Move line down	`Ctrl` + `↑ Shift` + `↓`
Editing Add a comment	`Ctrl` + `Alt` + `M`
Editing Undo	`Ctrl` + `Z`
Editing Redo	`Ctrl` + `Y`
Application Create new doc	`Ctrl` + `Alt` + `N`
Application Present	`Ctrl` + `↑ Shift` + `P`
Application Share	`Ctrl` + `↑ Shift` + `S`
Application Search docs	`Ctrl` + `↑ Shift` + `O`
Application Show these keyboard shortcuts	`Ctrl` + `↑ Shift` + `/`
Formatting text (Mac) Bold text	`⌘ Cmd` + `B`
Formatting text (Mac) Strikethrough	`⌘ Cmd` + `⌥ Option` + `S`
Formatting text (Mac) Highlight text in blue	`⌘ Cmd` + `E`
Formatting text (Mac) Hyperlink	`⌘ Cmd` + `K`
Formatting text (Mac) Bulleted list	`-` then `Space`
Formatting text (Mac) Add comment	`⌘ Cmd` + `⌥ Option` + `M`
Formatting text (Mac) Convert a bulleted list to a numbered list	`⌘ Cmd` + `↑ Shift` + `7`
Formatting text (Mac) Convert a bulleted list to a task list	`⌘ Cmd` + `↑ Shift` + `C`
Formatting text (Mac) Show full list of keyboard shortcuts	`⌘ Cmd` + `/`