Wolfram CloudConnector for Excel provides a simple, direct interface to high-powered Wolfram language computations. It allows its users to code algorithms on the Mathematica platform using external data deploying it on Microsoft Excel. The end user, thus, can manipulate the data input while enjoying the benefits of a vast array of Wolfram Mathematica data analysis features.
Video "Wolfram CloudConnector for Excel: Installation"This screencast provides a short demonstration on how to create Wolfram APIs to be used within Excel via CloudConnector
Video "Wolfram CloudConnector for Excel: Deploying and Calling Wolfram APIs"