HOW DO THEY COMPARE?
extranet is basically a private network designed specifically to allow these individuals to communicate with you and your employees in a closed digital workspace.
intranet is a private, secured network designed to facilitate collaboration and make it easier to communicate and share documents in real time.
An extranet is like an intranet, but also provides controlled access to authorised customers, vendors, partners, or others outside the company.
An intranet is a network where employees can create content, communicate, collaborate, get stuff done, and develop the company culture.
Intranet is used only by company employees, while extranet is used both by its company workers and its external counterparties - partners, customers, suppliers, potential employees.