I need to duplicate my projects then make small modifications; I would want to avoid starting from scratch.
No this is not possible. However, you could then clone the epics into the new project. See this question for more info on this: https://answers.atlassian.com/questions/92463
How to create projects or sets of issues based on a template or use cloneProject from JIRA Command Line Interface (CLI).
It looks like you're new here. Sign in or register to get started.