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Select the cells you want to update in the column in one of the foollowing following ways:

Select the whole column by clicking the equivalent “Multi-cell pick” icon at in the column headercolumn’s header (fig 1)

Select specific cells by dragging over them with ctrl clicked

Cherry-pick specific cells with ctrl clicked

Once the required cells are selected (fig 2)

Click the Edit button to set up the date interval (fig 3)

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Scheduling Interval dates with “Paste”

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