In order to perform business operations, it is not only limited to internal parties, In addition to internal parties, we also work with external partners on joint projects, outsourced work, and joint proposals. In some cases, we work in collaboration with external partners, such as in joint projects with multiple companies, work/work outsourcing, and joint proposals. In such cases, we want to manage tasks with external partners more efficiently, but we are not sure how to do it. but "I don't know how to do it" or "Security management seems difficult"? Do you want to manage tasks with external partners more efficiently, but have you given up? In this document, we will introduce the secrets of efficient task management with external partners. This document introduces the secrets of efficient task management with external partners.