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Referring to all Excel worksheet cells using a macro

When you apply the Cells property to a spreadsheet in Microsoft Excel without specifying an index number, the method returns a Range object that represents all the Excel cells on the worksheet. The following Sub procedure clears the contents from all the cells on Excel Sheet1 in the active workbook.

Macro code:

Sub ClearSheet()
End Sub
Note: You cannot undo the actions of a macro.

Watch the video below to see the macro in action.

Further reading on this Excel topic
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Referring to all Excel worksheet cells