Files: Attach Multiple Files to Posts, Work Smarter with Files Connect, Upload Asset Files for Custom Apps

Attach up to 10 files to Chatter feed posts in Lightning Experience. Make your life easier with simpler setup and more relevant content in Files Connect. Use Salesforce Files as icons when packaging custom Lightning apps.
Files and Files Connect for cloud-based external data sources are available in: Professional, Enterprise, Performance, Unlimited, and Developer Editions

Files Connect for on-premises external data sources is available for an extra cost in the same editions.