Databases or research institutions (such as HZDR Publications ) may use numerical naming conventions for dataset exports. Safety and How to Open It
The specific file does not appear to be a single, well-known software package or official document. Instead, it is likely a generic name for a compressed archive (using the 7-Zip format ) used to bundle multiple files together for easier transfer. What is a .7z File? Download File 124.7z
Once installed, right-click the file and select "Extract to '124'" to view its contents safely in a new folder. Download File 124.7z