Even many professional Excel users do not know about this lifehack. When they have to add up cells, they use the regular “+” operation or the formula =SUM and specify a range.

Let’s make things easier with these time-saving tips!
There’s an even easier way:
To quickly summarize your data, just select the cells.

Then, just type:
ALT + =
You’ll instantly get the total results calculated automatically for both rows and columns.
