At any point in time, you can export your data in CSV format (Excel compatible). The export feature includes all data from client, prospect, documents, so you can use them to make tables and reports, or send your invoices to your accountant.
The export feature is at the right top 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.
Export data from Sellsy