CData Excel Add-Ins | Connect to Live Data Directly from Microsoft Excel
https://www.cdata.com/excel
A brief overview of the CData Excel Add-Ins, including a demo of connecting to Salesforce data in Excel.
Use Excel to read, write, and update live data from web and desktop applications. Perfect for mass imports / exports / updates, data cleansing & de-duplication, Excel based data analysis, and more!