Apply Heading 3 paragraph style

`Ctrl` + `3`

All hotkeys for LibreOffice Writer

Moving and resizing frames, graphics and objects If a text frame is selected: positions the cursor to the end of the text in the text frame. If you press any key that produces a character on screen, and the document is in edit mode, the character is appended to the text	`F2`
Function keys Insert Fields	`Ctrl` + `F2`
Function keys Complete AutoText	`F3`
Function keys Edit AutoText	`Ctrl` + `F3`
Function keys Open Data Source View	`F4`
Function keys Select next frame	`↑ Shift` + `F4`
Function keys Navigator on/off	`F5`
Function keys Navigator on, go to page number	`Ctrl` + `↑ Shift` + `F5`
Function keys Spellcheck	`F7`
Function keys Thesaurus	`Ctrl` + `F7`
Function keys Extension mode	`F8`
Function keys Field shadings on / off	`Ctrl` + `F8`
Function keys Additional selection mode	`↑ Shift` + `F8`
Function keys Block selection mode	`Ctrl` + `↑ Shift` + `F8`
Function keys Update fields	`F9`
Function keys Show fields	`Ctrl` + `F9`
Function keys Calculate Table	`↑ Shift` + `F9`
Function keys Update Input Fields and Input Lists	`Ctrl` + `↑ Shift` + `F9`
Function keys Nonprinting Characters on/off	`Ctrl` + `F10`
Function keys Styles and Formatting window on/off	`F11`
Function keys Create Style	`↑ Shift` + `F11`
Function keys Sets focus to Apply Style box	`Ctrl` + `F11`
Function keys Update Style	`Ctrl` + `↑ Shift` + `F11`
Function keys Numbering on	`F12`
Function keys Insert or edit Table	`Ctrl` + `F12`
Function keys Bullets on	`↑ Shift` + `F12`
Function keys Numbering / Bullets off	`Ctrl` + `↑ Shift` + `F12`
Tables If the active cell is empty: selects the whole table. Otherwise: selects the contents of the active cell. Pressing again selects the entire table	`Ctrl` + `A`
General Justify	`Ctrl` + `J`
General Double Underline	`Ctrl` + `D`
General Centered	`Ctrl` + `E`
General Find and Replace	`Ctrl` + `H`
General Superscript	`Ctrl` + `↑ Shift` + `P`
General Align Left	`Ctrl` + `L`
General Align Right	`Ctrl` + `R`
General Subscript	`Ctrl` + `↑ Shift` + `B`
General Redo last action	`Ctrl` + `Y`
General Apply Text Body paragraph style	`Ctrl` + `0`
General Apply Heading 1 paragraph style	`Ctrl` + `1`
General Apply Heading 2 paragraph style	`Ctrl` + `2`
General Apply Heading 3 paragraph style	`Ctrl` + `3`
General Apply Heading 4 paragraph style	`Ctrl` + `4`
General Apply Heading 5 paragraph style	`Ctrl` + `5`
General Calculates the selected text and copies the result to the clipboard	`Ctrl` + `+`
General Soft hyphens; hyphenation set by you.	`Ctrl` + `-`
General Non-breaking hyphen (is not used for hyphenation)	`Ctrl` + `↑ Shift` + `-`
General Run macro field	`Ctrl` + `Num *`
General Non-breaking spaces. Non-breaking spaces are not used for hyphenation and are not expanded if the text is justified	`Ctrl` + `↑ Shift` + `Space`
General Line break without paragraph change	`↑ Shift` + `⤶ Enter`
General Manual page break	`Ctrl` + `⤶ Enter`
General Column break in multicolumnar texts	`Ctrl` + `↑ Shift` + `⤶ Enter`
General Inserting a new paragraph directly before or after a section, or before a table.	`Alt` + `⤶ Enter`
General Move cursor to left	`←`
General Move cursor with selection to the left	`↑ Shift` + `←`
General Go to beginning of word	`Ctrl` + `←`
General Selecting to the left word by word	`Ctrl` + `↑ Shift` + `←`
General Move cursor to right	`→`
General Move cursor with selection to the right	`↑ Shift` + `→`
General Go to start of next word	`Ctrl` + `→`
General Selecting to the right word by word	`Ctrl` + `↑ Shift` + `→`
General Move cursor up one line	`↑`
General Selecting lines in an upwards direction	`↑ Shift` + `↑`
General Move cursor to beginning of the previous paragraph	`Ctrl` + `↑`
General Select to beginning of paragraph. Next keystroke extends selection to beginning of previous paragraph	`Ctrl` + `↑ Shift` + `↑`
General Move cursor down one line	`↓`
General Selecting lines in a downward direction	`↑ Shift` + `↓`
General Move cursor to beginning of next paragraph.	`Ctrl` + `↓`
General Select to end of paragraph. Next keystroke extends selection to end of next paragraph	`Ctrl` + `↑ Shift` + `↓`
General Go to beginning of line	`Home`
General Go and select to the beginning of a line	`Home` + `↑ Shift`
General Go to end of line	`End`
General Go and select to end of line	`End` + `↑ Shift`
Tables If the active cell is empty: goes to the beginning of the table. Otherwise: first press goes to beginning of the active cell, second press goes to beginning of the current table, third press goes to beginning of document	`Ctrl` + `Home`
General Go and select text to start of document	`Ctrl` + `Home` + `↑ Shift`
Tables If the active cell is empty: goes to the end of the table. Otherwise: first press goes to the end of the active cell, second press goes to the end of the current table, third press goes to the end of the document	`Ctrl` + `End`
General Go and select text to end of document	`Ctrl` + `End` + `↑ Shift`
General Switch cursor between text and header	`Ctrl` + `Page Up`
General Switch cursor between text and footer	`Ctrl` + `Page Down`
General Insert mode on/off	`Insert`
General Screen page up	`Page Up`
General Move up screen page with selection	`Shift` + `Page Up`
General Move down screen page	`Page Down`
General Move down screen page with selection	`Shift` + `Page Down`
General Delete text to end of word	`Ctrl` + `Del`
General (in a list) Delete an empty paragraph in front of the current paragraph	`Ctrl` + `⬅ Backspace`
General Delete text to end of sentence	`Ctrl` + `Del` + `↑ Shift`
General Delete text to beginning of sentence	`Ctrl` + `↑ Shift` + `⬅ Backspace`
Moving and resizing frames, graphics and objects Selects the anchor of an object (in Edit Points mode)	`Ctrl` + `⭾ Tab`
General Use previous suggestion with Automatic Word Completion	`Ctrl` + `↑ Shift` + `⭾ Tab`
General Paste the contents of the clipboard as unformatted text.	`Ctrl` + `Alt` + `↑ Shift` + `V`
General Use this combination to quickly dock or undock the Navigator, Styles and Formatting window, or other windows	`Ctrl` + `Mouse double click`
General Use this combination to quickly dock or undock the Navigator, Styles and Formatting window, or other windows	`Ctrl` + `↑ Shift` + `F10`
Paragraphs and Heading Levels Move the active paragraph or selected paragraphs up one paragraph	`Ctrl` + `Alt` + `↑`
Paragraphs and Heading Levels Move the active paragraph or selected paragraphs down one paragraph	`Ctrl` + `Alt` + `↓`
Paragraphs and Heading Levels The heading in format "Heading X" (X = 1-9) is moved down one level in the outline	`⭾ Tab`
Paragraphs and Heading Levels The heading in format "Heading X" (X = 2-10) is moved up one level in the outline	`↑ Shift` + `⭾ Tab`
Tables Increases/decreases the size of the column/row on the right/bottom cell edge	`Alt` + `Keys`
Tables Increase/decrease the size of the column/row on the left/top cell edge	`Alt` + `↑ Shift` + `← ↑ → ↓`
Moving and resizing frames, graphics and objects Resizes by moving lower right corner	`Alt` + `Ctrl` + `← ↑ → ↓`
Tables Like Alt, but only the active cell is modified	`Ctrl` + `Alt` + `↑ Shift` + `← ↑ → ↓`
Tables 3 seconds in Insert mode, Arrow Key inserts row/column, Ctrl + Arrow Key inserts cell	`Alt` + `Insert`
Tables 3 seconds in Delete mode, Arrow key deletes row/column, Ctrl + Arrow key merges cell with neighboring cell	`Alt` + `Del`
Tables Removes cell protection from all selected tables. If no table is selected, then cell protection is removed from all of the tables in the document	`Ctrl` + `↑ Shift` + `T`
Tables If one or more cells are selected, the whole rows containing the selection will be deleted. If all rows are selected completely or partially, the entire table will be deleted	`↑ Shift` + `Ctrl` + `Del`
Moving and resizing frames, graphics and objects (when text frame is selected) Clears the cursor from the text frame	`Esc`
Moving and resizing frames, graphics and objects Move object	`Alt` + `← ↑ → ↓`
Moving and resizing frames, graphics and objects Resizes by moving top left corner	`Alt` + `Ctrl` + `↑ Shift` + `← ↑ → ↓`