If your org uses divisions, you can change your working division from the Divisions field in the sidebar.
Required Editions
| Available in: Salesforce Classic |
| Available in: Professional, Enterprise, Performance, Unlimited, and Developer Editions |
Divisions segment your organization's data into logical sections, making searches, reports, and list views more meaningful.
Select the division you want to work in from the Divisions field on the sidebar.
Example
Let’s say your org has set up divisions for sales areas. You can change your working division to a particular sales area and create a report to show the opportunities for just that division. Divisions are useful for organizations with large amounts of data.