here are 100 Microsoft Excel keyboard shortcuts:
1. **Ctrl + A**: Select all
2. **Ctrl + B**: Bold
3. **Ctrl + C**: Copy
4. **Ctrl + D**: Fill down
5. **Ctrl + F**: Find
6. **Ctrl + G**: Go to
7. **Ctrl + H**: Replace
8. **Ctrl + I**: Italic
9. **Ctrl + K**: Insert hyperlink
10. **Ctrl + N**: New workbook
11. **Ctrl + O**: Open workbook
12. **Ctrl + P**: Print
13. **Ctrl + R**: Fill right
14. **Ctrl + S**: Save
15. **Ctrl + U**: Underline
16. **Ctrl + V**: Paste
17. **Ctrl + W**: Close workbook
18. **Ctrl + X**: Cut
19. **Ctrl + Y**: Redo
20. **Ctrl + Z**: Undo
21. **Ctrl + 1**: Format cells
22. **Ctrl + 2**: Bold
23. **Ctrl + 3**: Italic
24. **Ctrl + 4**: Underline
25. **Ctrl + 5**: Strikethrough
26. **Ctrl + 6**: Show/hide objects
27. **Ctrl + 7**: Show/hide gridlines
28. **Ctrl + 8**: Toggle outline symbols
29. **Ctrl + 9**: Hide rows
30. **Ctrl + 0**: Hide columns
31. **Ctrl + Shift + $**: Currency format
32. **Ctrl + Shift + %**: Percentage format
33. **Ctrl + Shift + ^**: Exponential format
34. **Ctrl + Shift + #**: Date format
35. **Ctrl + Shift + @**: Time format
36. **Ctrl + Shift + !**: Comma format
37. **Ctrl + Shift + &: Place outline border
38. **Ctrl + Shift + _**: Remove outline border
39. **Ctrl + Shift + (**: Unhide rows
40. **Ctrl + Shift + )**: Unhide columns
41. **Ctrl + Shift + <: Select visible cells
42. **Ctrl + Shift + >**: Select entire worksheet
43. **Ctrl + Shift + A**: Insert argument names into formula
44. **Ctrl + Shift + F**: Open format cells dialog
45. **Ctrl + Shift + L**: Toggle AutoFilter
46. **Ctrl + Shift + R**: Fill right
47. **Ctrl + Shift + T**: Insert new table
48. **Ctrl + Shift + V**: Paste special
49. **Ctrl + Shift + W**: Close workbook
50. **Ctrl + Shift + X**: Insert new worksheet
51. **Ctrl + Shift + Z**: Undo
52. **Alt**: Access Ribbon
53. **Alt + H + B + A**: Apply all borders
54. **Alt + H + B + B**: Apply bottom border
55. **Alt + H + B + C**: Remove borders
56. **Alt + H + B + D**: Draw border
57. **Alt + H + B + E**: Erase border
58. **Alt + H + B + L**: Apply left border
59. **Alt + H + B + R**: Apply right border
60. **Alt + H + B + T**: Apply top border
61. **Alt + H + E + A**: Clear formats
62. **Alt + H + E + F**: Clear filter
63. **Alt + H + E + H**: Find & select
64. **Alt + H + E + I**: Insert cells
65. **Alt + H + E + O**: Clear contents
66. **Alt + H + E + R**: Delete cells
67. **Alt + H + E + S**: Sort
68. **Alt + H + E + V**: Paste values
69. **Alt + H + E + W**: Hide/unhide columns
70. **Alt + H + F + C**: New comment
71. **Alt + H + H**: Find & replace
72. **Alt + H + O + C**: Format cells
73. **Alt + H + O + D**: Conditional formatting
74. **Alt + H + O + E**: Clear rules
75. **Alt + H + O + R**: Insert row
76. **Alt + H + O + W**: Insert worksheet
77. **Alt + H + S + V**: Paste special
78. **Alt + H + W + A**: Save as
79. **Alt + H + W + B**: Break link
80. **Alt + H + W + C**: Close
81. **Alt + H + W + D**: Add to document workspace
82. **Alt + H + W + F**: Full screen
83. **Alt + H + W + I**: Check in
84. **Alt + H + W + K**: Check out
85. **Alt + H + W + M**: Email
86. **Alt + H + W + N**: New
87. **Alt + H + W + O**: Open
88. **Alt + H + W + R**: Versions
89. **Alt + H + W + S**: Share
90. **Alt + H + W + T**: Save as web page
91. **Alt + I + C**: Column width
92. **Alt + I + E**: Clear
93. **Alt + I + F**: Filter
94. **Alt + I + H**: Height
95. **Alt + I + M**: Merge & center
96. **Alt + I + R**: Insert
97. **Alt + I + W**: Wrap text
98. **Alt + N + D**: Name manager
99. **Alt + N + F**: Define name
100. **Alt + N + I**: Create name from selection
These shortcuts can help you perform various tasks efficiently in Excel.
