#1MinuteTip You can share file via link with anyone inside or outside of your Salesforce organization. Create and send the public link through email or a message. You need to have the System Permission “Create Public Links” via your profile or permission set

Upload the file in Salesforce -> Click ‘Public Link’ -> Click ‘Create Link’

Create public link

Click ‘Copy Link’ -> Share it through email or a message. The recipient can open the web-based version of the file. They can preview and download it.

Click Copy link

Reference URL:

https://help.salesforce.com/articleView?id=collab_files_sharing_via_link.htm