Selection hotkeys
 
 
 

Action

Windows and Linux

Mac OS X

Results

Select All Ctrl + A Command + A Selects all models in the 3D View.
Invert Selection Ctrl + Shift + I Command + Shift + I Selects any un-selected faces and deselects any existing selected faces in the 3D View.
Deselect All Ctrl + D Command + D Clears the current selection.
Grow Selection Ctrl + ] Command + ] Selects faces adjacent to the currently selected faces. Requires at least one face to be pre-selected.
Select Level Shift + A Shift + A Selects all visible faces belonging to the subdivision level of the active face (the face under the cursor).
Select Face Shift + S Shift + S Selects the active face (the face under the center of the cursor when the hotkey is pressed).
Drag Rectangle Left + middle-drag Left + middle-drag Choose a selection tool from the Select/Move Tools tray then left + middle-drag around the item. To make this mode the default for a selection tool, set the Selection Mode property to Rectangle.
Select tools from left to right on the current tool tray. 0 - 9 0 - 9 Press the 0 through 9 keys to select the first 9 tools on a tool tray. For more information, see Trays.