Select the cell, row, column, or range you want to resize
Drag the row border down to increase row height
Drag the column border right to increase column width
Double-click the row or column border to auto-fit the content
Right-click the row number or column letter and choose Row Height or Column Width
Enter a larger height or width value and click OK
Use the Home tab, then Format, then Row Height or Column Width
Select multiple rows or columns first to resize them together
Use Wrap Text to make cell content display on multiple lines
Merge cells if you want one larger visible cell area