If you have generated an Excel export based on a stored dashboard search or any other product searches, you will find it in the can find these by
- clicking on integrations (in the left menubar)
- Then click on Product (under Excel export).
- Here you will find a list of generated Excel exports for download. Download a report by clicking on the download icon
- Exports completed more than 7 days ago will be removed unless they have been checkmarked for "Store indefinitely". If you click on the report within the marked area you will get a pop-up screen where you can change the name of the report and checkmark it for indefinitely storage. Keep in mind that this report is a snapshot. It will not auto update the results as the dashboard searches will.
files for download here. 
For information on how to create these searches, look here.