Hiding columns in Excel is a great way to organize your data and make it easier to read. There are a few different ways to hide columns, but the easiest way is to use a shortcut. Here's how to do it:

1. First, select the column or columns that you want to hide. You can do this by clicking on the column header or by selecting the columns with your mouse.
2. Next, press the Ctrl + Shift + 0 keys on your keyboard. This shortcut will instantly hide the selected columns.
3. To unhide columns, select the column to the right of the hidden columns. Then, press the Ctrl + Shift + 0 keys again. This shortcut will unhide all of the columns that are to the left of the selected column.

That's all there is to it! Hiding columns is a quick and easy way to make your data more organized and easier to read. Give it a try next time you're working with data in Excel.