Excel How quickly select a designated area

In the office we often meet daily need to select the designated area, so relatively quick selection to save time, use the mouse to pull down than to be a lot easier.

1. The marquee is the start position (A1)

2. end position

3. This is what we want to select areas such as (A1: H21)

Summary: We can follow the area (start - termination) to their chosen area is the position table box, select the row may also be possible to use these columns and mix, such as A1: H21