Undo

`Command` + `Z`

All hotkeys for OmniFocus (MacOS)

Omnifocus Menu Preferences	`Command` + `,`
Omnifocus Menu Hide Omnifocus	`Command` + `H`
Omnifocus Menu Hide Others	`Command` + `Option` + `H`
File Menu New Action	`Command` + `N`
File Menu New Project	`Command` + `Shift` + `N`
File Menu New Context	`Command` + `Ctrl` + `N`
File Menu New Window	`Command` + `Option` + `N`
File Menu Quick Open	`Command` + `O`
File Menu Close	`Command` + `W`
File Menu Synchonize with Server	`Command` + `S`
File Menu Print	`Command` + `P`
File Menu Page SetUp	`Command` + `Shift` + `P`
Edit Menu Undo	`Command` + `Z`
Edit Menu Redo	`Command` + `Shift` + `Z`
Edit Menu Cut	`Command` + `X`
Edit Menu Copy	`Command` + `C`
Edit Menu Paste	`Command` + `V`
Edit Menu Paste and Match Style	`Command` + `Shift` + `Option` + `V`
Edit Menu Remove Selected Items	`Delete`
Edit Menu Select All	`Command` + `A`
Edit Menu DeSelect All	`Command` + `Shift` + `A`
Edit Menu Duplicate	`Command` + `D`
Edit Menu Edit Note	`Command` + `'`
Edit Menu Convert to Project	`Command` + `!`
Edit Menu Mark Reviewed	`Command` + `Shift` + `R`
Edit Menu Set/Clear Flag	`Command` + `Shift` + `L`
Find Find	`Command` + `F`
Find Find Previous	`Command` + `Shift` + `G`
Find Find Next	`Command` + `G`
Find Go to Search Field	`Command` + `Option` + `F`
Find Use Selection to Find	`Command` + `E`
Find Jump to Selection	`Command` + `J`
Spelling Show/Hide Spelling and Grammer	`Command` + `:`
Spelling Check Spelling	`Command` + `;`
Other Shorcuts Start Dictaction	`Fn`
Other Shorcuts Special Characters	`Command` + `Ctrl` + `Spacebar`
Organize Menu Clean Up	`Command` + `K`
Organize Menu Add Inside	`Command` + `Shift` + `]`
Organize Menu Add Outside	`Command` + `Shift` + `[`
Organize Menu Move Down	`Command` + `Ctrl` + `Down Arrow`
Organize Menu Move Right	`Command` + `Ctrl` +{Right Arrow
Organize Menu Move Left	`Command` + `Ctrl` + `Left Arrow`
Organize Menu Move Up	`Command` + `Ctrl` + `Up Arrow`
Organize Menu Indent	`Command` + `]`
Organize Menu Outdent	`Command` + `[`
Organize Menu Group	`Command` + `Option` + `G`
Organize Menu Ungroup	`Command` + `Option` + `U`
View Menu Collpase Item	`Command` + `0`
View Menu Expand Item	`Command` + `9`
View Menu Expand All	`Command` + `Ctrl` + `9`
View Menu Collpase All	`Command` + `Ctrl` + `0`
View Menu Show/Hide All Notes	`Command` + `Ctrl` + `'`
View Menu Show/Hide Notes	`Command` + `Option` + `'`
View Menu Focus on Selected Projects/Unfocus	`Command` + `Shift` + `F`
View Menu Show in Projects/Contexts	`Command` + `Option` + `R`
View Menu Show/Hide Sidebars	`Command` + `Option` + `S`
View Menu Show/Hide Inspector	`Command` + `Option` + `I`
View Menu Go to Sidebar	`Command` + `Option` + `1`
View Menu Go to Outline	`Command` + `Option` + `2`
View Menu Go to Inspector	`Command` + `Option` + `3`
View Menu Show/Hide View Options	`Command` + `Shift` + `V`
View Menu Enter/Exit Full Screen	`Command` + `Ctrl` + `F`
Perspectives Menu Show Perspectives	`Command` + `Ctrl` + `P`
Perspectives Menu Inbox	`Command` + `1`
Perspectives Menu Projects	`Command` + `2`
Perspectives Menu Contexts	`Command` + `3`
Perspectives Menu Forecast	`Command` + `4`
Perspectives Menu Flagged	`Command` + `5`
Perspectives Menu Review	`Command` + `6`
Format Menu Coup Style	`Command` + `Option` + `C`
Format Menu Paste Style	`Command` + `Option` + `V`
Format Menu Clear Style	`Command` + `Ctrl` + `Delete`
Format Menu Show/Hide Fonts	`Command` + `T`
Format Menu Show/Hide Colors	`Command` + `Shift` + `C`
Format Menu Bold	`Command` + `B`
Format Menu Italic	`Command` + `I`
Format Menu Underline	`Command` + `U`
Format Menu Zoom in/Zoom out	`Command` + `+` / `Command` + `-`
Window Menu Minimize Window	`Command` + `M`