Quick, clean, and to the point

Hide columns

Windows shortcut 
Mac shortcut 

Hide columns that intersect the current selection,

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Tip: Shortcuts to hide/unhide rows and columns
In this video, we look at the shortcuts you can use to hide and unhide both columns and rows. These are very handy for hiding data you don't need to see, and just a taste of Excel's 200+ shortcuts.
Thank you very much!! I have been wondering for years how to do this and never been able to find a resource, until now!! - Dennis
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