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Excel's Custom Data Validation: A Trick You Didn't Know You Needed

If you've used data validation in Excel before, you probably selected the relevant cells, clicked "Data Validation" in the ...

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 change the date format in Microsoft Excel to make the program write dates in a certain way

It's easy to change the date format in Microsoft Excel. You just need to use the "Date" drop-down menu, which gives you ...