Support for Atlassian Server Products (and apps like BigPicture) has ended in February 2024.
Are you planning a migration to Cloud? Make sure you don't lose your BigPicture data/configurations in the process. Check out this page for information on how to migrate BigPicture's data to Cloud. If you have any questions please email support@appfire.com
Update
Introduction
Closed Boxes can't be edited. You can't access or change their configuration, rename them, edit their time period etc.
When you are in a Closed Box, the cog on the right is missing.
Editing Boxes
Edit button
The "Edit" option allows you to change:
Box name
start date
end date
To edit a Box, right-click on it (in any mode of the Overview module or Home screen) or click on the config icon (the wrench) and select "Edit". You can edit the Box in the Overview module which requires Box Editor permissions:
Inline editing
You can also make changes using inline editing (double-click on a field):
Configuring Boxes
To configure a Box:
right-click on a Box (in the Overview) and select the "Configure" option
when you are in a Box you want to configure you can click the cog icon at the top right
Box Configuration gives you access to all settings of a Box, including the basic ones (such as a Box name, start date, and end date).
Go to the Box configuration > General > Basics, which requires Box Admin Permissions: