CADReader supports various file formats, including dwg, dxf, pdf, zip, and rar. If you receive a drawing file in WhatsApp, you can usually open it directly with CADReader by simply tapping on the file. However, sometimes the file may redirect to another application (e.g., the photo gallery), preventing you from selecting CADReader. In such cases, you can follow these steps to ensure that the file is opened with CADReader:
By following these steps, you can easily view drawing files in WhatsApp using CADReader.