Select the cells you want to merge
Go to the Home tab
Click Merge & Center in the Alignment group
Choose Merge & Center, Merge Across, Merge Cells, or Unmerge Cells
If needed, use CONCAT, TEXTJOIN, or the ampersand operator to combine column contents without losing data
Copy the formula down the column if combining multiple rows
Replace formulas with values if you want to keep the merged results permanently