Create Six Sigma and SPC Charts in Seconds

It's Easy Using QI Macros Affordable Add-in for Excel

Compatible with PC and Mac, Excel 2013-2019, Office 365

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Downloaded by 19,500 Users in 2020

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  • Free technical support via phone and email. We are happy to help you with downloading, installation and even running your first chart. Contact our support team using the email link below.

Our Contact Information

KnowWare International, Inc.
2696 S Colorado Blvd. Ste. 555
Denver, CO 80222 USA

Download our W-9 (PDF, 68.5 KB)

Our Denver, CO Office Hours are: Monday - Friday, 8 a.m. to 5 p.m., Mountain Time

Direct: 888-468-1537 or 303-756-9144
Fax: 1-888-468-1536 or 303-756-3107