How do I export a report as an Excel file?

If it's an Rows and Columns Report you could have just to click on export button here :

Otherwise it's seem to be on PDF only.

Regards.

Jérémy

SugarCRM Advanced Export plugin enables the users of SugarCRM to export critical and huge chunk of data from ‘Module List View’ as well its ‘Sub Panels.’ They can execute this SugarCRM export activity in CSV, PDF and XLS formats. If you want to maintain, send, and exchange huge records amongst CRM users, this SugarCRM Custom Export plugin will come to your rescue.

SugarCRM Advanced Export plugin enables the users of SugarCRM to export critical and huge chunk of data from ‘Module List View’ as well its ‘Sub Panels.’ They can execute this SugarCRM export activity in CSV, PDF and XLS formats. If you want to maintain, send, and exchange huge records amongst CRM users, this SugarCRM Custom Export plugin will come to your rescue.