Undo

`⌘ Cmd` + `Z`

All hotkeys for Adobe Dimension CC (Mac)

View menu Switch to Home View	`⌘ Cmd` + `1`
View menu Zoom to Fit All	`⌘ Cmd` + `0`
View menu Zoom to Fit Selection	`⌘ Cmd` + `3`
Layout Show/Hide Render Preview	`\`
Tool options and modifiers Toggle Group Select (Move, Rotate, and Scale Tools)	`⌘ Cmd` + `Mouse left click`
Tool options and modifiers Duplicate during Transformation (Move, Rotate, and Scale Tools)	`Alt` + `Mouse movement`
Layout Switch Mode	`⌘ Cmd` + `⭾ Tab`
Layout Toggle Content panels	`
Tools Select and move	`V`
Tools Select and rotate	`R`
Tools Select and scale	`S`
Tools Magic Wand	`W`
Tools Sampler	`I`
Tools Horizon	`N`
Tools Orbit	`1`
Tools Hand	`2`
Tools Dolly	`3`
Tools Dolly	`Z`
Tool options and modifiers Subtract from Selection (Move, Rotate, and Scale)	`↑ Shift` + `Mouse left click`
Tool options and modifiers Toggle tool alignment to scene (Move, Rotate, and Scale Tools)	`Q`
Tool options and modifiers Toggle Sample/Apply Mode (Eyedropper Tool)	`Alt` + `Mouse left click`
Application Preferences	`⌘ Cmd` + `,`
Application Quit Dimension	`⌘ Cmd` + `Q`
File menu New	`⌘ Cmd` + `N`
File menu Open	`⌘ Cmd` + `O`
File menu Save	`⌘ Cmd` + `S`
File menu Save As	`⌘ Cmd` + `↑ Shift` + `S`
File menu Import image as Background	`⌘ Cmd` + `↑ Shift` + `I`
File menu Import image as Light	`⌘ Cmd` + `Alt` + `I`
Edit menu Undo	`⌘ Cmd` + `Z`
Edit menu Redo	`⌘ Cmd` + `↑ Shift` + `Z`
Edit menu Cut	`⌘ Cmd` + `X`
Edit menu Copy	`⌘ Cmd` + `C`
Edit menu Paste	`⌘ Cmd` + `V`
Edit menu Paste as Instance	`⌘ Cmd` + `↑ Shift` + `V`
Edit menu Duplicate	`⌘ Cmd` + `D`
Edit menu Delete	`Del`
Edit menu Select All	`⌘ Cmd` + `A`
Edit menu Deselect All	`⌘ Cmd` + `↑ Shift` + `A`
Object menu Group	`⌘ Cmd` + `G`
Object menu Ungroup	`⌘ Cmd` + `↑ Shift` + `G`
Object menu Lock/Unlock	`⌘ Cmd` + `L`
Object menu Hide/Show	`⌘ Cmd` + `;`
View menu Update Home View to Current View	`⌘ Cmd` + `Alt` + `1`
View menu New Bookmark from Current View	`⌘ Cmd` + `↑ Shift` + `1`
View menu Switch to Previous Bookmark	`Page Up`
View menu Switch to Next Bookmark	`Page Down`