# DGN File Format [GstarCAD 2019](Help%20System/GSTARCAD/2019/Index.md) → [User Guide](Help%20System/GSTARCAD/2019/User%20Guide/(User%20Guide).md) → [Additional Pages](Help%20System/GSTARCAD/2019/User%20Guide/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. ![](Help%20System/GSTARCAD/2019/assets/GCAD_GUG/GCAD_GUG/pic/DGN%20File%20Format.jpg) --- Gstarsoft Co.,Ltd ## Other versions with matching text [GstarCAD 2017](../../../2017/User%20Guide/Additional%20Pages/DGN%20File%20Format.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/User%20Guide/Additional%20Pages/DGN%20File%20Format.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/User%20Guide/Additional%20Pages/DGN%20File%20Format.md)