Formatting Cell Shortcuts in Excel

To do this action	Press in Windows	Press in Mac
Apply Date Format	Ctrl+Shift+#	⌃ +⇧ +#
Apply General Format	Ctrl+Shift+~	⌃ +⇧ +~
Apply Number Format	Ctrl+Shift+!	⌃ +⇧ +!
Apply Percentage Format	Ctrl+Shift+%	⌃ +⇧ +%
Apply Scientific Format	Ctrl+Shift+^	⌃ +⇧ +^
Apply Time Format	Ctrl+Shift+@	⌃ +⇧ +@
Apply or Remove Bold Formatting	Ctrl+B	⌘ +B
Apply or Remove Italic Formatting	Ctrl+I	⌘ +I
Apply or Remove Strikethrough Formatting	Ctrl+5	⌘ +⇧ +X
Apply or Remove Underline	Ctrl+U	⌘ +U
Check Spelling	F7	Fn+F7
Copy Formula from above Cell	Ctrl+'	⌃ +'
Display the Quick Analysis Options	Ctrl+Q
Edit Active Cell	F2	⌃ +U
Enter Current Date	Ctrl+;	⌃ +;
Enter Current Time	Ctrl+Shift+;	⌘ +;
Fill Down from Cell Above	Ctrl+D	⌃ +D
Fill Right from Cell Left	Ctrl+R	⌃ +R
Format Fonts in Format Cells Dialog	Ctrl+Shift+F	⌃ +⇧ +F
Insert a Note	Shift+F2	Fn+⇧ +F2
Insert Table	Ctrl+T	⌃ +T
Insert Threaded Comment	Ctrl+Shift+F2
Open Delete Dialog to Delete Cells	Ctrl+-	⌘ +-
Open Format Cells Dialog	Ctrl+1	⌘ +1
Open Insert Dialog to Insert Cells	Ctrl+Shift++	⌘ +⇧ ++
Open Paste Special Dialog	Ctrl+Alt+V	⌃ +⌘ +V
Open the Insert Hyperlink Dialog	Ctrl+K	⌘ +K
Apply Outline Borders to Cells	Ctrl+Shift+&	⌘ +⌥ +0
Remove Outline Border to Selected Cell(s)	Ctrl+Shift+_	⌘ +⌥ +_
Show or Hide Objects	Ctrl+6	⌃ +6
Show or Hide Outline Symbols	Ctrl+8	⌃ +8
Toggle Formulas On and Off	Ctrl+`	⌃ +`

For More Shortcuts (Click on the links below):

Excel Ribbon Tab Shortcuts for Windows

Shortcuts to Make Selections in Excel

Inside the Ribbon Shortcuts in Excel

Frequently Used Keyboard Shortcuts For Mac & Windows in Excel

Excel Cell Navigation Shortcuts For Mac & Windows

Formula Shortcuts For Mac & Windows