If you have a lot of items or portlets in a region, you may want to arrange the items or portlets into multiple columns to conserve space. You can specify how many columns you want to include in a region.
Regardless of how many columns you include in the region, the number of rows dynamically expands to accomodate all the items or portlets in the region.
The following examples show the same region with different numbers of columns:
To
change the number of columns in a region, you must have at least one
of the following privileges:
Manage All privileges on the page group to which the page belongs
Manage privileges on the page
Manage global privileges on All Pages
Go to the page with which you want to work.
Switch to Edit mode.
Click 
in the region in which you want to change the number of columns.
In the Number of Columns field, enter the number of columns you want to include in the region.
Click OK to return to the page.