Information tracing ancestors back to the late 18th and early 19th centuries.
Right-click the file and select or "Extract to [Folder Name]" using your chosen software. HC_20131104_Brittany_S1166y.7z
To view the "interesting" contents within this specific file, you will need to use a tool capable of decompressing .7z archives: Information tracing ancestors back to the late 18th