(any calendar’s checkbox) Select or deselect all the checkboxes next to calendars in the Calendar list

`⌘ Cmd` + `Mouse left click`

All hotkeys for Apple Calendar

Calendar shortcuts Go to the next day, week, month, or year	`⌘ Cmd` + `→`
Calendar shortcuts Go to the previous day, week, month, or year	`⌘ Cmd` + `←`
Calendar shortcuts Go to today’s date	`⌘ Cmd` + `T`
Calendar shortcuts Go to a specific date.	`↑ Shift` + `⌘ Cmd` + `T`
Calendar shortcuts Switch to Day view	`⌘ Cmd` + `1`
Calendar shortcuts Switch to Week view	`⌘ Cmd` + `2`
Calendar shortcuts Switch to Month view	`⌘ Cmd` + `3`
Calendar shortcuts Switch to Year view	`⌘ Cmd` + `4`
Calendar shortcuts Switch to full-screen view. To exit full-screen view, press <keybs>Escape</keybs>	`Control` + `⌘ Cmd` + `F`
Calendar shortcuts Make text bigger	`⌘ Cmd` + `+`
Calendar shortcuts Make text smaller	`⌘ Cmd` + `-`
Calendar shortcuts Refresh all calendars	`⌘ Cmd` + `R`
Calendar shortcuts (with the Calendar list open) Select or deselect the checkbox next to the selected calendar	`Space`
Calendar shortcuts (any calendar’s checkbox) Select or deselect all the checkboxes next to calendars in the Calendar list	`⌘ Cmd` + `Mouse left click`
Calendar shortcuts (click any calendar’s checkbox) Select the checkbox next to the selected calendar and deselect all other checkboxes	`⌥ Option` + `⌘ Cmd` + `Mouse left click`
Calendar shortcuts Add a new calendar group	`↑ Shift` + `⌘ Cmd` + `N`
Calendar shortcuts Add a new subscribed calendar	`⌥ Option` + `⌘ Cmd` + `S`
Event shortcuts Print the selected events or events in a time range	`⌘ Cmd` + `P`
Event shortcuts Add a new event	`⌘ Cmd` + `N`
Event shortcuts Edit the selected event	`⌘ Cmd` + `E`
Event shortcuts Edit the selected event in the inspector window	`⌥ Option` + `⌘ Cmd` + `I`
Event shortcuts Select the next event	`⭾ Tab`
Event shortcuts Select the previous event	`↑ Shift` + `⭾ Tab`
Event shortcuts (while an event is open) Close the event editor	`⤶ Enter`
Event shortcuts (while an event is open) Close the event editor	`Esc`
Event shortcuts Select the next or previous event	`← ↑ → ↓`
Event shortcuts Search for events	`⌘ Cmd` + `F`
Event shortcuts (click the event, then choose a calendar from the shortcut menu) Move an event to another calendar	`Control` + `Mouse left click`
Event shortcuts Move the selected event 15 minutes earlier (in Day or Week view); move the selected event one week earlier (in Month view)	`Control` + `⌥ Option` + `↑`
Event shortcuts Move the selected event 15 minutes later (in Day or Week view); move the selected event one week later (in Month view)	`Control` + `⌥ Option` + `↓`
Event shortcuts Move the selected event one day later (in Week or Month view); move the selected event one week later (in Month view)	`Control` + `⌥ Option` + `→`
Event shortcuts Move the selected event one day earlier (in Week or Month view); move the selected event one week earlier (in Month view)	`Control` + `⌥ Option` + `←`
Event shortcuts Show information for a calendar or event	`⌘ Cmd` + `I`
Event shortcuts Show or hide the Address panel	`⌥ Option` + `⌘ Cmd` + `A`
Event shortcuts Show or hide the Availability panel	`↑ Shift` + `⌘ Cmd` + `A`
Event shortcuts Open Calendar preferences	`⌘ Cmd` + `,`