The revision history for SPC for Excel Version 6 is given in the table below starting with the most recent change. You may download the most recent build below. The most recent build is  published 5/26/20. 

To determine what build you have, click the program update icon on the Help panel in the SPC for Excel ribbon. You will see the build number at the bottom of the form. Select "Check Now" to see if there is a new build available (PC only).   If there is, the link to this page is given so you can download and install the new build.  The instructions for installing the new build is included in the zip file you download or you can access them here.   You can also change your option for how often the program checks for updates - weekly, monthly or never.

You may download the latest build below. PLEASE NOTE THAT THIS BUILD WILL NOT RUN UNLESS YOU HAVE A FULL VERSION OF SPC FOR EXCEL ALREADY INSTALLED ON YOUR COMPUTER. This is not the entire program, just the updates. 

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Revision History

Date Build Revision
7/28/2020 Added Binomial and Poisson process capabilities; revised Multiple Process Capability so if a  data set had no variation, it was skipped instead of the program stopping at the data set.
5/26/2020 Added Normal Process Capability SnapShot (Cpk chart, control chart, normal probability plot, and statistics) and Non-Normal Process Capability Snapshot (Ppk chart, control chart, P-P plot and statistics); revised random number generator to include multiple variables and rounding, added routine to update all charts using VBA code to bypass the update charts form.
3/27/2020 Created a new installation workbook to automatically install the software on a PC once the user has unblocked it; the installation gives the user the options of where to install the software (first-time installation) and whether to install it as an add-in or shortcut
1/29/2020 Created option to color vital few red on Pareto chart and to control gap setting between bars; revised Variable Pareto to include two-level Pareto and include Category and Defects charts as part of Variable Pareto charts.
11/23/2019 Added option to select output range to Random Number Generator (under Misc. Tools in the Statistical Tools panel on the SPC for Excel menu; corrected  issues overseas settings in the DOE program with Norwegian and Portuguese language; center point usage in DOE was not turned on in version 6 so it was activated, and corrected issue with Wilcoxon sign test when the median was negative and one sided tests were being used.
10/31/2019 Best fit equation at bottom of scatter diagram would show 0 for small numbers; this was changed to show the number, Equivalency of Instruments had same X axis label being repeated; this was fixed.
7/28/2019 Updated Equivalency of Instruments to include summary table for consistency charts, showing results for measurement error, SD(E), and other calculations, added re-centering of average and use of known standard for bias charts.

Added Equivalency of Instruments to the software (based on Dr. Donald Wheeler's work) to determine if there is a difference in bias or measurement error between instruments; also updated ANOM to handle numbers, not just text, as headings; option to use % on Laney p' chart was updated.

5/27/19 Initial release of Version 6.

Version 5's revision history is here.

Version 4's revision history is here.

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