On the seetings, tap on Export Reports.
Select the date range, the reports you want to export, and tap on Generate Report.
The reports will be sent to the e-mail you used to create your account.
Open your email, and tap on the reports for download.
Open this file.
Tap on the options menu, on the upper right corner of the screeen.
Tap on Share & export.
Tap on Send a copy.
Select Excel (.xsls) and tap Ok.
Select an App to share this file.
That is all. The file you share will already be a spreadsheet.