Shortcut to select the entire worksheet is:

In Microsoft Excel, pressing Ctrl + A is the standard shortcut to select the entire worksheet. This command allows users to quickly highlight all the data and cells in a spreadsheet without manually clicking or dragging. This is especially helpful when performing tasks like formatting, copying, deleting, or analyzing data across the full sheet.

Here's how it works:

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  If your active cell is within a block of data, pressing Ctrl + A once selects only that data range.

  
  


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  Pressing Ctrl + A again will select the entire worksheet, including empty cells.