#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’
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.
Reference URL: Click here