How to lock cells in Microsoft Excel, so you need a password to change or erase data

You can lock cells in Excel by heading into the program's "Protection" tab. There, you can set a password, and protect your ...

How to use Excel: A beginner's guide to Microsoft's spreadsheet program

You can use Excel, Microsoft's spreadsheet program, to store, organize, and analyze data in a number of ways.
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Once you understand SCAN in Excel, you’ll never build formulas the same way

The simplest way to think about SCAN is that it applies a custom calculation to each element in a range/array and returns every intermediate result it produces along the way. If that sounds abstract, ...
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Excel’s MAP function is genius

The MAP function is part of Excel's dynamic array functions and requires Excel 365 or Excel 2021 or later to work. If you're ...