When managing project progress and team tasks, It is a tool that is used on a regular basis and without incurring maintenance costs, Many companies use "Excel", which can be freely managed, for progress management as well. On the other hand, there are some problems such as, "The versions of the Excel files we are looking at are different, and there are discrepancies in the progress. On the other hand, there are cases in which there are problems such as "it is difficult to grasp the status of task delays" and so on. In this document, we will discuss the issues involved in using Excel for project progress management, and how to solve them, This document introduces the challenges of using Excel for project progress management and the solutions to those challenges when using a project progress management service. and solutions for them!