Unmerging all merged cells

Here's a quick way to unmerge all merged cells in a worksheet:

    1.    Select all cells in the worksheet.

A quick way to do so is to click the triangle at the intersection of the row headers and column headers:

Select all cells in Excel 2016

    2.    On the Home tab, in the Alignment group:

  • If Merge & Center isn't highlighted, there are no merged cells in the selected area.
  • If the Merge & Center button is highlighted, click it:
Alignment group in Excel 2016

    3.    In the Merge & Center list, select Unmerge Cells to unmerge all cells in the selected area:

Unmerge cells in Excel 2016