To resize rows
Resize rows by dragging one of the row borders. All rows are resized to the same height. Graphics that appear inside each cell shrink based on the row height.
To resize columns
To resize a column, drag the column border to the right or left.
To resize several columns to the same width, follow these steps:
1. Select the columns that you want to resize.
2. Press Alt (Windows) or Option (macOS) and drag one of the column borders. All columns are resized to the same width.