To open or extract the contents of "," you will need a file archiver that supports the .7z format . This is a compressed archive format often used to reduce file sizes without losing data . Opening the File on Windows
Choose to unpack it in the current folder or Extract files... to pick a specific location . How to open a .7z file - Microsoft Q&A KsKaJ.7z
Right-click the file and select > 7-Zip . To open or extract the contents of ","