How to hide and unhide columns in Excel to optimize your work in a spreadsheet

You can easily hide and unhide columns in Excel by individually revealing hidden columns or using the "Format" option to ...

How to add a column in Microsoft Excel in 2 different ways

You can add a column in Excel by right-clicking or using the “Insert” option. These features are helpful for adding new data to a spreadsheet.
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Formatting Numbers as Percentages in Excel Is Frustrating—But Here's an Easy Fix

To do this, with the 1% cell still copied, select the cells containing the values you want to convert from whole numbers into percentages. If your data is formatted as an Excel table, hover over the ...