Excel 365 Connector for Jira is an app designed to use the power of Excel on Jira issues. You can fetch Jira issues, update data, create new issues and generate reports or make calculation on Jira data.
We recommend starting from getting started section: https://psc-software.atlassian.net/wiki/spaces/ECSD365/pages/962920449 . It will give you quick introduction to app and an overview of available features. Enjoy!