# DGN File Format [GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [What's new](Help%20System/GSTARCAD/2017/What's%20new/(What's%20new).md) → [Additional Pages](Help%20System/GSTARCAD/2017/What's%20new/Additional%20Pages/(Additional%20Pages).md) ## **DGN File Format** Full DGN files support and related commands such as DGNIMPORT, DGNATTACH, DGNADJUST, DGNMAPING, etc are available. Now you can import and attach as underlay a Microstation native format.  --- Gstarsoft Co.,Ltd