You can easily unhide columns in Google Sheets on a desktop or mobile device either by clicking on the arrow or right-clicking.
You can use Excel, Microsoft's spreadsheet program, to store, organize, and analyze data in a number of ways.
Combining Ctrl + Shift + Arrow keys lets you extend your selection in any direction until Excel hits a blank cell. Start from the top-left corner of your data, try Ctrl + Shift + Right Arrow, then ...
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