Upload Modules (Modules)
Select Modules menu and then Upload modules.
Here you can:

Download the template (can be found here)
Create new modules from Excel
Update existing modules from Excel
Upload the file
Note: The file with the new modules will not be imported if there are errors in it. This means you must correct the import file and upload the modules again.
Common error messages when importing modules:
Missing required fields. All columns in the import template must be specified.
ETIM class is not defined for the product group. (You can find an overview of the NOBB item group structure and ETIM here: 1.3 Management of ETIM Classifications for Properties)
Item group does not exist