WP5 keyboard shortcuts

Global shortcuts
Shift+Alt+H
Display this help.
Ctrl+S
Save your changes.
Ctrl+Z
Undo your last changes.
Ctrl+Shift+Z
Redo your last undo.
Ctrl+Shift+,
Show or hide the settings sidebar.
Shift+Alt+O
Open the block navigation menu.
Ctrl+`
Navigate to the previous part of the editor.
Shift+Alt+N
Navigate to the next part of the editor (alternative).
Shift+Alt+P
Navigate to the previous part of the editor (alternative).
Alt+F10
Navigate to the nearest toolbar.
Ctrl+Shift+Alt+M
Switch between Visual Editor and Code Editor.

Selection shortcuts
Ctrl+A
Select all text when typing. Press again to select all blocks.
Esc
Clear selection.
Block shortcuts
Ctrl+Shift+D
Duplicate the selected block(s).
Shift+Alt+Z
Remove the selected block(s).
Ctrl+Alt+T
Insert a new block before the selected block(s).
Ctrl+Alt+Y
Insert a new block after the selected block(s).
/
Change the block type after adding a new paragraph.

Text formatting
Ctrl+B
Make the selected text bold.
Ctrl+I
Make the selected text italic.
Ctrl+U
Underline the selected text.
Ctrl+K
Convert the selected text into a link.
Ctrl+Shift+K
Remove a link.
Shift+Alt+D
Add a strikethrough to the selected text.
Shift+Alt+X