Multiple choice general knowledge science & technology

What shortcut is used for this purpose

  1. F1+F2

  2. SHIFT +F10+F9

  3. CTRL+SHIFT+_

  4. ALT + SHIFT + P

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

CTRL+SHIFT+_ is the Excel keyboard shortcut to remove borders from selected cells. The other options are not standard shortcuts for removing cell borders.