Navigating large Excel spreadsheets with huge columns and rows numbers is a tedious job. Scrolling left and right, up and down is just too wasting time. Learn how to avoid these with simple tricks.
Splitting a window allows you to work on multiple parts of a large spreadsheet simultaneously
Method: Drag the split horizontal and split vertical icons to the desires positions
Freezing the pane allows you to always keep one part of the spreadsheet (such as column or row labels) visible
Method: Click on the freeze pane icon from the tool bar to freeze the panes

Excel: How to freeze panes and split windows