From Setup, at the top of the page, select Object Manager and select the object you want to add the Files related list to (such as Opportunity). Click Page Layouts. Click the page layout you want to customize. In the list of available items in the left pane, click Related Lists.
Hi Ratnesh,
From Setup, at the top of the page, select Object Manager and select the object you want to add the Files related list to (such as Opportunity). Click Page Layouts. Click the page layout you want to customize. In the list of available items in the left pane, click Related Lists.