Exporting Visits
Clicking on the Export Visits item will bring up the screen below.

The formats are supported for exporting: CSV, KML, and JSON.
CSV
CSV is the default format and is appropriate in most cases. CSV files are easily opened by most spreadhseets, including Google Sheets, Excel, and Numbers. Exporting to CSV allows for each sorting and filtering of location data and simple analysis.
KML
KML is the file format recognized by Google Earth. Exportig Visits to Google Earth allows you to see on a map where you went and when.
JSON
Exporting the data as JSON is probably onlu useful for developers.