Sure, here are 30 shortcut keys for Excel that can help improve your productivity:
Ctrl+C: Copy selected cells
Ctrl+V: Paste copied cells
Ctrl+Z: Undo the last action
Ctrl+Y: Redo the last action
Ctrl+A: Select all cells in the current sheet
Ctrl+S: Save the current workbook
Ctrl+F: Open the Find and Replace dialog box
Ctrl+B: Apply bold formatting to selected cells
Ctrl+I: Apply italic formatting to selected cells
Ctrl+U: Apply underline formatting to selected cells
Ctrl+1: Open the Format Cells dialog box
Ctrl+Shift+#: Apply date format to selected cells
Ctrl+Shift+$: Apply currency format to selected cells
Ctrl+Shift+!: Apply number format to selected cells
Ctrl+Shift+&: Apply outline border to selected cells
Ctrl+Shift+_: Remove border from selected cells
Ctrl+Shift+L: Toggle filter on/off for selected cells
Alt+Down arrow: Open drop-down menu for selected cell
Ctrl+Page Up: Move to the previous sheet in the workbook
Ctrl+Page Down: Move to the next sheet in the workbook
Ctrl+Home: Move to the beginning of the sheet
Ctrl+End: Move to the end of the sheet
Ctrl+Shift+Page Up: Select the current and previous sheet
Ctrl+Shift+Page Down: Select the current and next sheet
F2: Edit the contents of the selected cell
F4: Repeat the last action
F11: Create a chart from selected data
Alt+=: AutoSum selected cells
Shift+F3: Open the Insert Function dialog box
Ctrl+Shift+Enter: Enter an array formula
Note: Some of these shortcut keys may differ depending on your operating system or Excel version.
