At any point in time, you can export your data in CSV format (Excel compatible). The export feature includes all financial data from your documents, so you can use them to make tables and reports, or send your invoices to your accountant.
The export feature is at the top and bottom of each list (documents, contacts, items):
You can choose to export the data from the page on the screen, from the filter (if the data is filtered), or from all of your data.
Tip: If you're a developer, you can also access your data with the Sellsy API.