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Current Version

If you own a product purchased less than one year ago and you do not have the current version please email Upgrades@SigmaXL.com with your serial number and order number to receive a free upgrade.

For complete information about our upgrading and maintenance renewal policies, please click here.


NOTE: We no longer support SigmaXL Versions 5, 6, or 7. We encourage all eligible users to upgrade to SigmaXL Version 10.



The Current Versions of SigmaXL are:

  • Windows - 10.03, released July 31, 2024. 

  • Mac - 10.03, released August 9, 2024.

    An Important Message About SigmaXL for Mac

    Due to ongoing development challenges and technical issues specific to the Mac version, SigmaXL for Mac will no longer be available for purchase after March 1, 2025. Additionally, support for the Mac version will be discontinued following the release of SigmaXL Version 11, scheduled for the second quarter of 2025.

The latest version of SigmaXL can always be obtained by downloading the trial, available here.

View new features included in SigmaXL 10 here.

To view the differences between SigmaXL for Mac and SigmaXL for Windows click here.




The Current Version of DiscoverSim (Windows only) is 2.28, bundled with SigmaXL Version 10.04, released November 19, 2024.

The latest version of DiscoverSim can always be obtained by downloading the trial, available here.

A list of new features can be found here.



For a link to the current versions email Support@SigmaXL.com.

Define, Measure, Analyze, Improve, Control

Lean Six Sigma Software Excel Add-in

View a list of publications SigmaXL has been featured in...

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Web Demos

Our CTO and Co-Founder, John Noguera, regularly hosts free Web Demos featuring SigmaXL and DiscoverSim
Click here to view some now!

Contact Us

Phone: 1.888.SigmaXL (744.6295)

Support: Support@SigmaXL.com

Sales: Sales@SigmaXL.com

Information: Information@SigmaXL.com