When working with 3D modeling and rendering, you may come across OBJ files that you want to open and work with in 3DS Max. Opening OBJ files in 3DS Max is a simple process that can be done in just a few steps. Here's how you can do it:

1. Open 3DS Max: Start by opening 3DS Max on your computer. If you don't have 3DS Max installed, you can download and install it from the official website.

2. Import the OBJ File: Once 3DS Max is open, go to the 'File' menu and select 'Import'. Navigate to the location of the OBJ file on your computer and select it. Click 'Open' to import the OBJ file into 3DS Max.

3. Adjust Import Settings: After importing the OBJ file, a settings dialog box will appear. Here, you can adjust the import settings such as scale, axis orientation, and material conversion options to ensure that the OBJ file is imported correctly.

4. Confirm Import: Once you have adjusted the import settings, click 'OK' to confirm and import the OBJ file into 3DS Max. The OBJ file will now be loaded into the 3DS Max scene and you can start working with it.

5. Editing and Rendering: With the OBJ file imported, you can now edit and manipulate it as needed using the various modeling and rendering tools available in 3DS Max. You can apply textures, adjust lighting, and create stunning 3D scenes with your imported OBJ file.

By following these simple steps, you can easily open and work with OBJ files in 3DS Max for all your 3D modeling and rendering needs. Whether you're a beginner or an experienced 3D artist, 3DS Max provides a powerful platform for creating stunning 3D visuals with OBJ files. Start exploring the possibilities of 3D modeling and rendering today with 3DS Max!