Correct Answer - Option 3 : View -> Window -> Split
The correct answer is option 3.
View > Window > Split option can be used to split windows into two.
When you split a sheet into separate panes, you can scroll in both panes independently.
- Select below the row where you want the split or the column to the right of where you want the split.
- On the View tab, in the Window group, click Split. To remove the split panes, click Split again.
Hence the correct answer is View -> Window -> Split.