The heading in format "Heading X" (X = 2-10) is moved up one level in the outline.

`Shift` + `Tab`

All hotkeys for Libreoffice Writer (Windows)

General Select All	`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` + `plus`
General Non-breaking hyphen (is not used for hyphenation)	`Ctrl` + `Shift` + `-`
General Run macro field	`Ctrl` + `*` (only on number pad)
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 without numbering inside a list. Does not work when the cursor is at the end of the list.	`Alt` + `Enter`
General Inserting a new paragraph directly before or after a section, or before a table.	`Alt` + `Enter`
General Move cursor to left	`Arrow Left`
General Move cursor with selection to the left	`Shift` + `Arrow Left`
General Go to beginning of word	`Ctrl` + `Arrow Left`
General Selecting to the left word by word	`Ctrl` + `Shift` + `Arrow Left`
General Move cursor to right	`Arrow Right`
General Move cursor with selection to the right	`Shift` + `Arrow Right`
General Go to start of next word	`Ctrl` + `Arrow Right`
General Selecting to the right word by word	`Ctrl` + `Shift` + `Arrow Right`
General Move cursor up one line	`Arrow Up`
General Selecting lines in an upwards direction	`Shift` + `Arrow Up`
General Move cursor to beginning of the previous paragraph	`Ctrl` + `Arrow Up`
General Select to beginning of paragraph. Next keystroke extends selection to beginning of previous paragraph	`Ctrl` + `Shift` + `Arrow Up`
General Move cursor down one line	`Arrow Down`
General Selecting lines in a downward direction	`Shift` + `Arrow Down`
General Move cursor to beginning of next paragraph.	`Ctrl` + `Arrow Down`
General Select to end of paragraph. Next keystroke extends selection to end of next paragraph	`Ctrl` + `Shift` + `Arrow Down`
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`
General Go to start of document	`Ctrl` + `Home`
General Go and select text to start of document	`Ctrl` + `Home` + `Shift`
General Go to end of document	`Ctrl` + `End`
General Go and select text to end of document	`Ctrl` + `End` + `Shift`
General Switch cursor between text and header	`Ctrl` + `PageUp`
General Switch cursor between text and footer	`Ctrl` + `PageDown`
General Insert mode on/off	`Insert`
General Screen page up	`PageUp`
General Move up screen page with selection	`Shift` + `PageUp`
General Move down screen page	`PageDown`
General Move down screen page with selection	`Shift` + `PageDown`
General Delete text to end of word	`Ctrl` + `Delete`
General Delete text to beginning of word In a list	`Ctrl` + `Backspace`
General Delete text to end of sentence	`Ctrl` + `Delete` + `Shift`
General Delete text to beginning of sentence	`Ctrl` + `Shift` + `Backspace`
General Next suggestion with Automatic Word Completion	`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` + `Shift` + `F10`
Function Keys Formula Bar	`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`
Paragraphs and Heading Levels Move the active paragraph or selected paragraphs up one paragraph.	`Ctrl` + `Alt` + `Arrow Up`
Paragraphs and Heading Levels Move the active paragraph or selected paragraphs down one paragraph.	`Ctrl` + `Alt` + `Arrow Down`
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 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`
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`
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`
Tables Inserts a tab stop (only in tables). Depending on the Window Manager in use, Alt+Tab may be used instead.	`Ctrl` + `Tab`
Tables Increases/decreases the size of the column/row on the right/bottom cell edge	`Alt` + `Arrow Keys`
Tables Increase/decrease the size of the column/row on the left/top cell edge	`Alt` + `Shift` + `Arrow Keys`
Tables Like Alt, but only the active cell is modified	`Alt` + `Ctrl` + `Arrow Keys`
Tables Like Alt, but only the active cell is modified	`Ctrl` + `Alt` + `Shift` + `Arrow Keys`
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` + `Delete`
Moving,Resizing Frames, Graphics and Objects Cursor is inside a text frame and no text is selected: Escape selects the text frame.	`Esc`
Moving,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`
Moving,Resizing Frames, Graphics and Objects Move object.	`Alt` + `Arrow Keys`
Moving,Resizing Frames, Graphics and Objects Resizes by moving lower right corner.	`Alt` + `Ctrl` + `Arrow Keys`
Moving,Resizing Frames, Graphics and Objects Resizes by moving top left corner.	`Alt` + `Ctrl` + `Shift` + `Arrow Keys`
Moving,Resizing Frames, Graphics and Objects Selects the anchor of an object (in Edit Points mode).	`Ctrl` + `Tab`