If you're an Excel user, chances are you use the SUM function quite often. And if you're looking for ways to save time and be more productive, learning some shortcut keys for this function can be a huge help!

Here are some of the best shortcut keys for sum in Excel:

• Ctrl + Shift + Enter - This shortcut key will sum the selected cells and then automatically apply the correct number format to the result.
• Alt + = - This shortcut key will sum the selected cells and then automatically apply the correct number format to the result.
• Ctrl + Alt + = - This shortcut key will sum the selected cells and then automatically apply the correct number format to the result.
• Ctrl + = - This shortcut key will sum the selected cells and then automatically apply the correct number format to the result.

As you can see, there are quite a few shortcut keys that can be used for the SUM function in Excel. And the best part is, these shortcut keys can be used in all versions of Excel!

So, the next time you need to sum a range of cells in Excel, try out one of these shortcut keys and see how much time you can save!