Select the character or text you want to format as superscript
Press Ctrl+1 to open the Format Cells dialog
Go to the Font tab
Check Superscript under Effects
Click OK
To add superscript in a cell, edit the cell and select only the specific characters before applying superscript
On Mac, press Command+1 to open Format Cells, then choose Superscript under Effects
Use the Ribbon only if available through your Excel version’s font formatting options
For formulas or special symbols, insert the superscript character directly if needed