In Excel column width can be modified, as can row height and width in Excel. Learn to modify Excel cells in this free Excel 2000 lesson.
By default, Excel's columns are 8.43 characters wide, but each individual column can be enlarged to 240 characters wide.
If the data you are entering in your worksheet is wider or narrower than the default column width, you can adjust the width so it is wide enough to contain the data.
You can adjust column width manually or use AutoFit.