1. From the object management settings for a custom object, go to Search Layouts.
2. Click Edit next to the search layout that you want to modify.Note The fields you select for the key lists on the custom tab home page are also used as the columns displayed in the default All list view and as the default columns for any new list views. To view different columns, customize the list view itself.
3. Move fields between Available Fields and Selected Fields.To customize which fields display in the layout, select one or more fields and click Add or Remove.To sort fields in the layout, select one or more fields in Selected Fields and click Up or Down.To select multiple fields individually, use CTRL+click.To select multiple fields as a group, use SHIFT+click.
4. To customize which fields display in the layout, select one or more fields and click Add or Remove.
5. To sort fields in the layout, select one or more fields in Selected Fields and click Up or Down.
6. To select multiple fields individually, use CTRL+click.
7. To select multiple fields as a group, use SHIFT+click.
8. Click Save.