The following can be copied (and pasted) inside Excel:
Single or multiple structures with or without corresponding data
To another cell o n the same worksheet
To another worksheet in the same workbook
To another workbook in the same Excel instance
To another Excel instance
Contents of visible cells
{info} Structure display settings that can be specified in Options > Structure Display will be kept during copying and pasting with the above workflows.
For specific inside Excel copy scenarios see the following subsections: