AutoCAD

How to Convert DGN File to DWG in AutoCAD?

Understanding DGN and DWG File Formats

DGN and DWG are vital file formats used in the realm of computer-aided design (CAD). DGN, short for “design,” is primarily associated with MicroStation and various other design software. Conversely, DWG is the native file format for AutoCAD, widely recognized for its capabilities in creating 2D and 3D drawings. Converting DGN files into DWG format is crucial for users who need to work within the AutoCAD environment.

Step-by-Step Process to Convert DGN Files to DWG in AutoCAD

Step 1: Open AutoCAD 2025

Begin by launching AutoCAD 2025 on your computer. Ensure that you have the necessary permissions and that your software is updated to support DGN files.

Step 2: Access the Import Feature

Navigate to the main menu and locate the “Open” option or use the command box at the top. Type “IMPORT” or select the import function from the Application menu, allowing you to access various file types for import.

Step 3: Select the DGN File for Import

In the Import DGN File dialog box, browse through your computer’s directories to find the DGN file you wish to convert. You may also enter the DGN file’s name directly in the file name field to locate it quickly.

Step 4: Set Import Options

After selecting the desired DGN file, an Import Options dialog will appear. Here, you can choose various settings, including which design model to import and any specific import configurations. Make sure to review and adjust the settings to fit your project requirements.

Step 5: Execute the Import

Once all settings are configured to your satisfaction, click the “Open” button to start the import process. AutoCAD will convert the DGN file into a format compatible with DWG, allowing you to view and edit it as needed.

Step 6: Save as DWG

After the DGN file has been imported successfully, navigate to “File” followed by “Save As.” Choose a location on your computer, select the file type as DWG, and give your newly converted file an appropriate name. Click “Save” to finalize the process.

Batch Conversion of DGN to DWG

For users needing to convert multiple DGN files at once, AutoCAD doesn’t natively support batch conversion. However, you can utilize additional tools or scripts integrated into design software like ProStructures.

1. Open ProStructures and look for the “Batch Converter” option.
2. Select all DGN files you intend to convert.
3. Specify output settings and the version of the DWG you wish to save.
4. Confirm the batch process, which will convert all selected files into the DWG format simultaneously.

FAQs

Can I open DGN files directly in AutoCAD?

Yes, AutoCAD allows you to import DGN files without conversion; however, importing them will convert the files for compatibility with DWG, enabling you to make edits and utilize AutoCAD’s features.

What should I do if my DGN file doesn’t import correctly?

If you encounter issues during the import process, check to ensure that you have the correct version of the DGN file that is compatible with AutoCAD. You may also want to explore any import settings that could affect the conversion.

Is there a limit on the size of DGN files I can import into AutoCAD?

While there is no strict size limit for DGN files when importing into AutoCAD, larger files may slow down the process or cause errors. It is advisable to break down very large files into smaller sections if issues arise.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.