There are two reasons for the sudden appearance of a large space in the paper. One reason is that your paper format is not set correctly, resulting in many line breaks or page breaks in the middle, so there is a lot of space.

The format brush is a tool for quickly copying cell formats, which is equivalent to the functions of copying, selective pasting and formatting. When copying with the format brush, only the cell format will be changed, but the cell value and formula will not be changed.