Resize Data Columns
Adjust the size of columns to make room for data that’s relevant to you.
Click and Drag: Place your cursor on the edge of a column header. When the point becomes a double-headed arrow, drag it to adjust the column size.
Double-Click: Place your cursor on the edge of a column header. When the pointer becomes a double-headed arrow, double-click the column. The column will automatically adjust to fit the widest possible entry.