You can collect all captured data from your fillable forms as Excel or CSV, from a chosen month.
You can also collect all signed forms from a chosen month.
Go to Templates, go to the settings menu of the related form (se picture below) and choose Download captured data.
Choose if you wish to download the captured data as Excel or CSV, or if you wish to download all filled forms as PDF's.
You can also find the button for Download captured data at the bottom of the edit-page of the fillable form.
Are you using API? You also have the possibility to collect captured data through API calls.