The Sandboxie was developed by Ronen Tzur, acquired by Invincea and in February by 2017 Invincea was acquired by Invincea Sophos. Now, Sophos has changed its product license to free software and plans to make it an open source tool
Sandboxie for purposes security
Running the sandbox browser can prevent your system from being attacked malware, viruses, ransomware and zero-day threats. With the sandbox, you can control your suspicious files without damaging the system.
For hackers, email is one of the most tempting goals. They find all possible ways to infiltrate your email accounts. It is worth noting that now emails are considered a major threat to the security of businesses and home computers.
Tools like Sandboxie let you run your favorite e-mail application in the sandbox, so you don't have to worry about opening any suspicious documents. It also prevents websites and other applications from modifying personal data, files and folders on your system.