[10][11][12] It is a sandboxing solution that creates an isolated operating environment in which applications can run without permanently modifying the local system.

[21] The day after the Sophos announcement, a third-party developer known as David Xanatos forked the open-source project[a][2][22] and expanded it later with Sandboxie Plus.

[30] In April 2019, the official site was shut down, preventing downloads, installations and purchases, which prompted the creation of a temporary forum in the company's own domain.

[30] In response to the announcement of the closure of the Sandboxie website, software developer David Berdik scraped the site's contents and published the archive on GitHub on May 10, 2020.

To clear this false flag, the Sandboxie Plus developer had to pay Microsoft for a digital certificate, which he raised thanks to donors on Patreon.

[41] In November 2011, Gizmo's Freeware gave Sandboxie a rating of 9 out of 10 stars[42] and included it in their Editors' Choice List as the "Best Free Browser Protection Utility".