SPC add-in for Microsoft Excel SPC add-in to help you understand processes, bring them under control, and find improvements that better your product.

Trusted by over 60,000 users and proven for more than 30 years.

Statistical Process Control (SPC) software integrated into Microsoft Excel for six-sigma, lean and other quality control and improvement methodologies.
Variable & Attribute control charts
Bring processes under statistical control so they are stable and predictable with powerful Shewhart control charts, cumulative sum, and moving average control charts.
Process Capability analysis
Ensure products are capable of meeting end-user specifications with Process Capability analysis and Cp/Pp indices.
Pareto analysis
Identify actions that will reap the most rewards using Pareto analysis with up to 2 factors.
A full-featured statistical package
Improve processes and products by identifying solutions that really work using hypothesis tests and model fitting techniques.
Runs in Microsoft Excel for easy deployment across your team.
Analyse‑it integrates directly into Excel. It performs all calculations and is validated to ensure accuracy -- no formulas, or cell references break. Import data from instruments, analyse it immediately, then generate publication‑ready reports without learning new software or managing proprietary file formats — significantly faster and more flexible than standalone tools.