Share and Preview Files By Automatically Saving Email-to-Case Attachments as Salesforce Files
Where: This change applies to Salesforce Classic and Lightning Experience in Professional, Essentials, Enterprise, Performance, Unlimited, and Developer editions.
How: Orgs created after Spring ‘18 that enable Email-to-Case or On-Demand Email-to-Case automatically have this feature enabled. To enable this feature in an existing org, from Setup, in the Quick Find box, enter Email-to-Case, and select Email-to-Case. Click Edit, and enable Save Email-to-Case Attachments as Salesforce Files. Click Save.