Sandboxie is a sandbox-based isolation program developed by Sophos (which acquired it from Invincea,[9][10][11] which acquired it earlier from the original author Ronen Tzur[1][12][13]), for 32- and 64-bit Windows NT-based operating systems.[14][15][16] It creates a sandbox-like isolated operating environment in which applications can be run or installed without permanently modifying the local or mapped drive.[14][17] An isolated virtual environment allows controlled testing of untrusted programs and web surfing.[17][18][19]

Sandboxie 3.76
Original author(s)Ronen Tzur[1]
Initial releaseJune 26, 2004 (2004-06-26)
Stable release5.31.6 (October 21, 2019 (2019-10-21)) [±][2]
Preview release5.31.2 Beta (June 14, 2019 (2019-06-14)) [±][3]
Written inC++
Operating systemWindows 7 and later (with Windows XP SP3 being supported until v5.22)[4]
PlatformIA-32 and x86-64
Available in23 languages
List of languages
English, Albanian, Arabic, Chinese (Simplified and Traditional), Czech, Danish, Estonian, Finnish, French, German, Greek, Hebrew, Indonesian, Italian, Japanese, Korean, Macedonian, Polish, Portuguese (Brasil and Portugal), Russian, Spanish, Swedish, and Turkish.
TypeSecurity software
LicenseFreeware[5] See license
Until v5.31.4: Shareware[6][7][8]


Sandboxie was initially released in 2004 as a tool for sandboxing Internet Explorer. Over time, the program was expanded to support other browsers and arbitrary Win32 applications.[20]

In December 2013, Invincea announced the acquisition of Sandboxie.[1] The original developer Ronen Tzur further announced he will no longer be involved with the program.[12][13]

In February 2017, Sophos announced the acquisition of Invincea.[9][10][11] Invincea posted an assurance in Sandboxie's website that for the time being Sandboxie's development and support will continue as normal.[21]

In September 2019, Sophos switched to a new license.


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. [22]

As of May 2019, the official site is partially back - with the regular forums (and before it became a freeware[5], also the purchase options) still shut down.[22]

64-bit Windows

As of version 4.02, Sandboxie has full support for 64-bit versions of Windows[23] with the exception of Windows XP 64-bit which was never supported.[24]


In September 2019, Sandboxie was released under a freeware license "with plans to transition it to an open source tool"[5].

The previous commercial license still applies to customers with active licenses until their original license expires. [5]


Sandboxie was included in Brothersoft's 2010 Editors Pick list.[25]

Gizmo's Freeware gave Sandboxie a rating of 9 out of 10 stars[26] and included it in their Editors' Choice List as the "Best Free Browser Protection Utility".[27]

Softonic has given Sandboxie a rating of 8 out of 10 with Elena Santos stating in her review that "Sandboxie is a handy tool to test untrustworthy software without putting your system in danger."[28]

See also


  1. "Invincea's Expanding Global Community". 2013-12-16. Archived from the original on 2017-09-18. Retrieved 2013-12-19. [W]e announced the acquisition of Sandboxie from an earlier transaction in 2013.
  2. "Sandboxie - Version Changes". Retrieved 2019-09-13.
  3. "[Sandboxie Beta] Sandboxie Beta 5.31 (Latest version 5.31.2)". Retrieved 2019-09-13.
  4. "Frequently Asked Questions - What are the requirements to run Sandboxie?". Retrieved 2019-09-13.
  5. "Major Sandboxie News: Sandboxie is now a free tool with plans to transition it to an open source tool". Sophos. 2019-09-10. Retrieved 2019-09-11.
  6. "FAQ Licensing". Retrieved 2017-10-20.
  7. "Sandboxie 3.60". PCAuthority. Retrieved 2011-10-14.
  8. "Sandboxie 2.64". PCWorld. Retrieved 2009-02-11.
  9. "Sophos Adds Advanced Machine Learning to Its Next-Generation Endpoint Protection Portfolio with Acquisition of Invincea". Sophos. 2017-02-08. Retrieved 2017-02-11.
  10. "Sophos grows anti-malware ensemble with Invincea". Sophos. 2017-02-08. Retrieved 2017-02-11. One may ask, if you already have great next-generation technology, why do you need Invincea’s technology?...Think of Invincea as the superhero that takes our ensemble to the next level – the entity that adds neural network-based machine learning to the team.
  11. "Sophos to Acquire Invincea to Add Industry Leading Machine Learning to its Next Generation Endpoint Protection Portfolio". Invincea. 2017-02-08. Retrieved 2017-02-11.
  12. "Goodbye from tzuk". 2014-01-22. Retrieved 2017-10-20. Today I depart from Sandboxie, as I announced a few weeks ago. [*]
  13. "Questions About Invincea Acquiring Sandboxie?". 2013-12-17. Retrieved 2017-10-20. I am happy to pass the torch to the capable hands of Invincea...In about six weeks, I will depart from Sandboxie. [*]
  14. Olzak, Tom (December 15, 2008). "Use free sandboxing software to isolate risky behavior". TechRepublic. Archived from the original on 2013-01-02. Retrieved 2009-02-11.
  15. Kassner, Michael (January 20, 2009). "Minimize risk when downloading from the Internet". TechRepublic. Archived from the original on 2013-01-02. Retrieved 2009-02-11.
  16. Grimes, Roger A. (December 15, 2008). "Sandbox Security Versus the Evil Web". PCWorld. Retrieved 2009-02-11.
  17. Pash, Adams (May 7, 2007). "Featured Windows Download: Safely test new software with Sandboxie". Retrieved 2009-03-04.
  18. Martin. "Ghacks Christmas Giveaway: Sandboxie". Retrieved 2009-03-04.
  19. Horowitz, Michael. "How to Defend Against Drive-By Downloads - Business Center - PC World". Retrieved 2009-03-04.
  20. "Sophos open-sources Sandboxie, a utility for sandboxing any application". ZDNet. 2019-09-12. Retrieved 2019-09-16.
  21. "Invincea acquired by Sophos". 2017-02-10. Retrieved 2017-10-20. Many of you are probably wondering, what does this mean for Sandboxie and its users? The answer as of right now, is that nothing is changing. We will continue to operate as we have since Invincea acquired Sandboxie. We have no current plans to discontinue developing Sandboxie updates or supporting it. [*]
  22. "[Sandboxie Status Update] What happened to the Sandboxie site and forums?". Sophos. 2019-09-24. Retrieved 2019-05-03. We started experiencing issues with our servers due to a bug that is causing slowness accessing the Sandboxie site, as well as the licensing/activation options. Added to that, we found a security weakness in the software being used for the forums, and out of an abundance of caution, they were taken down for the time being. In order to keep communication going, we have created this temporary forum within our Sophos Community.
  23. "Sandboxie - Notes About 64-Bit Edition". Retrieved 2017-10-20.
  24. "Frequently Asked Questions - What are the requirements to run Sandboxie?". Retrieved 2017-10-20. Sandboxie does not work on...Windows XP x64 bit
  25. "Brothersoft Winners 2010: List of Editors Pick Windows Software - Brothersoft windows Topic". Retrieved 28 May 2012.
  26. "Best Free Browser Protection Utility". Retrieved 28 May 2012.
  27. "The Editors' Choice List: Our Selection of the Best PC Freeware". Retrieved 28 May 2012.
  28. "Sandboxie - Download". Softonic. Retrieved 28 May 2012.
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