Endex is an AI-powered Excel assistant that automates complex financial workflows directly within Microsoft Excel, leveraging advanced AI models from OpenAI. The tool functions as a digital analyst capable of autonomously retrieving, analyzing, and synthesizing financial data from both internal documents and external sources like SEC filings, all while providing structured citations for transparency. Finance professionals at investment firms, hedge funds, and consulting companies use Endex to dramatically reduce time spent on data collection and modeling tasks, allowing them to focus on high-value strategic decisions rather than repetitive manual work. By automating recurring financial processes, ensuring data accuracy with source traceability, and enabling users to design reusable analytical templates, Endex offers a competitive advantage while maintaining the familiar Excel interface that financial analysts already know.