With the Dutch accounting localization installed, you will be able to export all your accounting entries in XAF format. For this, you have to go in Accounting ‣ Reporting ‣ General Ledger, you define the entries you want to export using the filters (period, journals, …) and then you click on the button EXPORT (XAF).
If you install the Dutch accounting localization, you will have access to some reports that are specific to the Netherlands such as :
Profit & Loss
Tax Report (Aangifte omzetbelasting)
Intrastat Report (ICP)