Notes about the 4DC file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.
The 4DC file type is primarily associated with '4th Dimension' by 4D, Inc.. The 4th Dimension product line offers a range of Mac OS and Windows products that can be used together to create a fully integrated, Web-enabled, cross-platform database development solution, or as individual components.
Detailed information for file extension 4DC:
File classification: Database
Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.