Before being generated, each export must be configured. If configured once, there is no need to configure each time unless you want to generate it differently. You can save different configurations for the same export.
Go to Reports - Export Definitions, select the report and click . This will open a list with all configurations you saved.
Export configurations page in Astrow Web
To add a new configuration, click (see Configure Export for details further).
To edit a configuration, click or double-click on it. To delete a configuration, select it and click .
Use the button to assign execution to a user (see Assign Configuration for more details). You can see all configurations assigned with the button .
. This will open a list with all configurations you saved. 
(see 
or double-click on it. To delete a configuration, select it and click 
. 
button to assign execution to a user (see 
.