Update
Introduction
Closed Boxes can't be edited. You can't access or change their configuration, rename them, edit their time period, etc.
Edit 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):
Configure 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 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: