Add/Remove Upward Diagonal Border in Excel

Adding or removing an upward diagonal border helps indicate the division of a cell from bottom-left to top-right. Useful for formatting headers or special cells.

How to Add an Upward Diagonal Border

  1. Select the cell(s) where you want the upward diagonal border
  2. Go to the Home tab → Font group → Borders dropdown → More Borders
  3. Click the Upward Diagonal border button in the dialog and press OK

How to Remove an Upward Diagonal Border

  1. Select the cell(s) with the upward diagonal border
  2. Go to the Borders dropdown → More Borders
  3. Click to deselect the Upward Diagonal border and press OK

Tips & Best Practices

FAQ

Q: Can I add this border to multiple cells at once?
Yes, select multiple cells, and the upward diagonal will apply to all selected cells.
Q: Will this affect other borders?
No, only the upward diagonal will be added or removed, leaving other borders intact.