System Requirements System requirements for using eInvoice Sender for Dynamics 365 BC Supported Microsoft Dynamics 365 Business Central versions Microsoft Dynamics 365 Business Central integration is possible from the following version due to minimum technical requirements: Supportet Microsoft Dynamics 365 Business Central Versions The prerequisite for operation is that the respective Microsoft Dynamics 365 Business Central version is still in regular support. The extended support is excluded.   Supported Digivoice Versions A licensed Digivoice system is required to use the eInvoice Sender in Microsoft Dynamics 365 Business Central and for operation. License : Valid Digivoice License/Credentials