Student learning benefits from individual support and feedback. This type of support does not scale well especially in large classes. A system was built to automate the delivery of individual support and feedback on Excel assignments in information systems and analytics courses. The system embeds instructional scaffolding in the distributed assignments then grades and provides formative assessment for students' submitted assignments. Both the scaffolding and formative assessment help students advance in their understanding. To ensure that students do their own work, the system has highly visible controls to prevent plagiarism including the ability to generate and grade unique assignments for each student. The system promotes learning, prevents plagiarism, and eases faculty grading burdens. It has been fine-tuned over two years of continuous use with thousands of students. The software is freely available from the authors for academic use.