Product Support
Download the Latest Updates
Download the latest versions of Quantum XL, SPC XL, DOE Pro XL, SnapSheets XL, SimWare, and Pro-Test.
Frequently Asked Questions
Browse our frequently asked questions.
Installation Instructions
Find solutions to installation issues.
For technical support, please email support@sigmazone.com. Please include the following…
The name of the product (Quantum XL, SPC XL, DOE Pro XL, SimWare Pro, Pro-Test, SnapSheets XL).
Your name and serial number (CD Key).
A description of the problem.
If applicable, please attach an Excel Workbook that includes the data set and analysis that you are having problems with.
Common Knowledge Base Articles
- Automatically Start Quantum XL when Excel Starts
- Automatically Start SPC XL when Excel Starts
- How to determine if your Excel is 32bit or 64bit?
- Download the Quantum XL Installer which Forces 64bit Install
- How do I find my Serial Number/CD Key for the Software I Purchased?
- How to Start SigmaZone's Excel Add-Ins (Quantum XL, SPC XL, DOE Pro XL, and/or Snapsheets XL)
- How to Use a Coupon Code to Purchase Quantum XL
- DOE Pro Stops Unexpectedly
- Repair, Remove, and Reinstall Office