Action	Mac	Windows / Linux
Open / Import	⌘ O	Ctrl + O
Save File to Local	⌘ ⇧ S	Ctrl + Shift + S
Undo	⌘ Z	Ctrl + Z
Redo	⌘ ⇧ Z	Ctrl + Shift + Z / Ctrl + Y
Copy	⌘ C	Ctrl + C
Cut	⌘ X	Ctrl + X
Duplicate	⌘ D	Ctrl + D
Paste	⌘ V	Ctrl + V
Paste in Place	⌘ ⇧ V	Ctrl + Shift + V
...
Select All Objects	⌘ A	Ctrl + A
Unselect Objects	ESC	ESC
Rename	⌃ R	Ctrl + R
Toggle UI	⌘ \	Ctrl + \
Toggle Full Screen	⌘ ⇧ F	Ctrl + Shift + F
Zoom In	⌘ +	Ctrl +
Zoom Out	⌘ -	Ctrl -
Reset View / Camera	⌥ R	Alt + R
...
Group Selection	⌘ G	Ctrl + G
Ungroup Selection	⌘ ⇧ G
...
Delete Objects	DELETE	DELETE
Escape Creating Object	ESC	ESC
Rectangle	R	R
Ellipse	O	O
Triangle	K	K
Polygon	J	J
Switch to Local/World Space (TransformControls)	L	L
...
Focus Object	S	S
Orientated to Object	⇧ S	Shift + S
Zoom 100%	⇧ 1	Shift + 1
Perspective/Orthographic	M	M
Drag Copy	⌘ + Drag	Ctrl + Drag
...
Transform (Mirror)	⌥	Alt
Transform (Aspect Ratio)	⇧	Shift
Transform (Mirror & Aspect Ratio)	⇧ ⌥	Shift + Alt
...
Zoom	⌘ + Wheel	Ctrl + Wheel
Pan	SPACE + Drag	SPACE + Drag
Orbit	⌥ + Drag	Alt + Drag
...
↓ Selecting from the Object Outliner
Select/Deselect Range of Objects w/ Children	⇧ Click	Shift + Click
Select/Deselect Multiple Objects w/ Children 1 by 1	⌘ Click	Ctrl + Click
Select/Deselect Single Object without Children	⌥ ⌘ Click	Alt + Ctrl + Click
Select/Deselect Multiple Objects without Children 1 by 1	⌥ ⌘ ⇧ Click	Alt + Ctrl + Shift + Click
…
↓ Selecting from the Viewport
Select/Deselect Objects w/ Children 1 by 1	⇧ Click	Shift + Click
Select/Deselect Multiple Objects w/ Children	⇧ + Drag	Shift + Drag
Select/Deselect Single Object without Children	⌥ ⌘ Click	Alt + Ctrl + Click
Select/Deselect Multiple Objects without Children	⌥ ⌘ Drag	Alt + Ctrl + Drag
Select/Deselect Objects without Children 1 by 1	⌥ ⌘ ⇧ Click	Alt + Ctrl + Shift + Click
Select/Deselect Objects without Children	⌥ ⌘ ⇧ Drag	Alt + Ctrl + Shift + Drag
...