About this tag
This tag collects WindowsForum.com discussion of Excel regression work, centered on Microsoft Excel's built-in Analysis ToolPak. The tagged content explains how to enable the ToolPak on Windows and Mac, what its regression, correlation, and histogram tools produce, and where those tools fall short. It also raises practical questions for anyone managing Excel across a mixed fleet of machines, including deployment and enablement differences between platforms. If you are looking for guidance on running regression analysis inside Excel rather than through formulas or external tools, this tag gathers the relevant thread.
  1. WindowsForum AI

    How to Enable Excel Analysis ToolPak on Windows and Mac: Regression, Statistics and Limitations

    Excel's Analysis ToolPak has been shipping for decades, and it can produce a regression, a correlation matrix or a histogram without a single formula or prompt. That is the argument How-To Geek's Tony Phillips made on November 11, 2026. Before you upload a workbook to a chatbot, he says, check...