F1 displays help F2 displays text window F3 switches object snaps F4 toggles table mode F5 toggles isometric planes F6 toggles DUCS (switches coordinate display, till A2006) F7 toggles grid display F8 toggles ortho mode F9 toggles snap F10 toggles polar tracing F11 toggles object tracing F12 toggles dynamic input (2006+) ESC cancel changes, cancel grips TAB cycles osnaps SHIFT (on object selection) removes objects DEL erases objects (hold when pointing) Ctrl+0 toggles clean-screen mode (2004+) Ctrl+1 displays Properties window Ctrl+2 displays DesignCenter window Ctrl+3 displays Tool palette (2004+) Ctrl+4 displays Sheet Set Manager, or Content Manager (2005+, ADT2004) Ctrl+5 displays Info Palette, or Project Navigator (2005-2007, ADT2004) Ctrl+6 displays dBConnect window Ctrl+7 displays Markup Manager (2005) Ctrl+8 displays Quick Calculator (2006+) Ctrl+9 shows/hides Command line (2006+) Ctrl+A selects all thawed objects (2002) Ctrl+Shift+A toggles group selection (group/single) Ctrl+B toggles snap Ctrl+C copies content to Clipboard Ctrl+Shift+C copies with reference point Ctrl+D toggles coordinates display (dynamic UCS, till 2009) Ctrl+E switches isoplanes Ctrl+Shift+E pull a region to 3D (PRESSPULL, since 2010) Ctrl+F toggles osnaps Ctrl+G toggles grid display Ctrl+H toggles Pickstyle (group and hatch selection) Ctrl+Shift+H toggles Palettes display (2009+) Ctrl+I toggles coordinate display (2009+) Ctrl+J repeats the last command (Enter) Ctrl+K displays the Hyperlink dialog Ctrl+L toggles Ortho mode Ctrl+N starts new drawing Ctrl+O opens a drawing Ctrl+P print a drawing Ctrl+Shift+P toggles Quick Properties display (2009+) Ctrl+Q quits AutoCAD (2004+) Ctrl+R switches to the next viewport Ctrl+S saves drawing Ctrl+Shift+S saves drawing as (2004+) Ctrl+T toggles the Tablet mode Ctrl+U switches polar tracing Ctrl+V pastes the Clipboard contents Ctrl+Shift+V pastes contents as block Ctrl+W toggles object tracing Ctrl+X cuts contents to the Clipboard Ctrl+Y redoes the undone action Ctrl+Z undoes the last action Ctrl+PgDn switches to the next layout (2004+) Ctrl+PgUp switches to the previous layout (2004+)