To change the Project name or Project key, click the name of the Project on "Projects" list. This will open its settings menu.
Then click "Edit Project basic settings" on "Project Settings".
By checking "Enable Charts" box, you can use the Gantt Chart and Burndown Chart.
You'll be able to input the Start Date and Estimated Hours/Actual Hours of Issues.
This feature is only available for paid plans.
Checking the "Enable Subtasking" box will let you use parent-child issue relationships for this Project.
The subtasking feature is only available on paid plans.
"Formatting rules" set the formatting rules of the Project. "Backlog", "Markdown" or "Use Space setting" options are available.
Formatting rules for the Space can be set on the Space settings page.
Check this box to show Wikis in tree structures.
In Project Settings, check the box next to Project Administrator to let those administrators add other Project Administrators.
Archive the Project
Click this box if you want to hide this Project from the Dashboard when the Project has been completed, etc.
Changing the Project key
If you change the Project key, the URL to access issues and the Project Home will be changed.
If you use Files or Subversion, the URL of the web folder and Subversion repository will also change. Please do not change the Project key unless it is unavoidable (i.e. you've assigned an incorrect Project key).
Please do not change the Project key unless you really need to do so.