1. From the object management settings for cases, go to Page Layouts.
2. How you access the Case Feed Settings page depends on what kind of page layout you’reworking with.For a layout in the Case Page Layouts section, click Edit, and then click Feed View in the page layout editor.For a layout in the Page Layouts for Case Feed Users section, click and choose Edit feed view. (This section appears only for organizations created before Spring ’14.)
3. For a layout in the Case Page Layouts section, click Edit, and then click Feed View in the page layout editor.
4. For a layout in the Page Layouts for Case Feed Users section, click and choose Edit feed view. (This section appears only for organizations created before Spring ’14.)
5. In the Other Tools and Components section, select Files, and specify where on the page you want it to appear.
6. Click Save.