1. Ctrl + N: To create a new workbook.
2. Ctrl + O: To open a saved workbook.
3. Ctrl + S: To save a workbook.
4. Ctrl + A: To select all the contents in a workbook.
5. Ctrl + B: To turn highlighted cells bold.
6. Ctrl + C: To copy cells that are highlighted.
7. Ctrl + D: To fill the selected cell with the content of the cell right above.
8. Ctrl + F: To search for anything in a workbook.
9. Ctrl + G: To jump to a certain area with a single command.
10. Ctrl + H: To find and replace cell contents.
11. Ctrl + I: To italicise cell contents.
12. Ctrl + K: To insert a hyperlink in a cell.
13. Ctrl + L: To open the create table dialog box.
14. Ctrl + P: To print a workbook.
15. Ctrl + R: To fill the selected cell with the content of the cell on the left.
16. Ctrl + U: To underline highlighted cells.
17. Ctrl + V: To paste anything that was copied.
18. Ctrl + W: To close your current workbook.
19. Ctrl + Z: To undo the last action.
20. Ctrl + 1: To format the cell contents.
21. Ctrl + 5: To put a strike through in a cell.
22. Ctrl + 8: To show the outline symbols.
23. Ctrl + 9: To hide a row.
24. Ctrl + 0: To hide a column.
25. Ctrl + Shift + :: To enter the current time in a cell.
26. Ctrl + ;: To enter the current date in a cell.
27. Ctrl + `: To change the view from displaying cell values to formulas.
28. Ctrl + ‘: To copy the formula from the cell above.
29. Ctrl + -: To delete columns or rows.
30. Ctrl + Shift + =: To insert columns and rows.
31. Ctrl + Shift + ~: To switch between displaying Excel formulas or their values in cell.
32. Ctrl + Shift + @: To apply time formatting.
33. Ctrl + Shift + !: To apply comma formatting.
34. Ctrl + Shift + $: To apply currency formatting.
35. Ctrl + Shift + #: To apply date formatting.
36. Ctrl + Shift + %: To apply percentage formatting.
37. Ctrl + Shift + &: To place borders around the selected cells.
38. Ctrl + Shift + _: To remove a border.
39. Ctrl + -: To delete a selected row or column.
40. Ctrl + Spacebar: To select an entire column.
41. Ctrl + Shift + Spacebar: To select an entire workbook.
42. Ctrl + Home: To redirect to cell A1.
43. Ctrl + Shift + Tab: To switch to the previous workbook.
44. Ctrl + Shift + F: To open the fonts menu under format cells.
45. Ctrl + Shift + O: To select the cells containing comments.
46. Ctrl + Drag: To drag and copy a cell or to a duplicate worksheet.
47. Ctrl + Shift + Drag: To drag and insert copy.
48. Ctrl + Up arrow: To go to the top most cell in a current column.
49. Ctrl + Down arrow: To jump to the last cell in a current column.
50. Ctrl + Right arrow: To go to the last cell in a selected row.
