You can change the width of selected columns with column resize bars (the bars are at the top of a data window on the right side of each column title and ID), or by choosing the Column Width command (Data menu).
Note: To resize all columns in the current data window, you must select a row, then choose Column Width from the Data menu or drag a column resize bar.
Dialog Method
Step 1
Select the columns you want to change, then choose Column Width from the Data menu.
Step 2
Enter the desired column width next to the Characters option, then click OK.
Manual Method
Step 1
Position the pointer on a column resize bar.
Step 2
Drag the column resize bar until the column is the desired width.