You can extract your SMS reports using 'Reports' option under 'Sent Items'.
Enter the details of the report you want to extract by clicking on '+New'.
Maximum you can opt for 3 months data at a time. You can also filter your reports before extracting on the basis of Sender ID, recipient mobile number and status, we will further send you on the given email ID.
If you want data older than 3 months, then you can contact us at firstname.lastname@example.org