The file does not appear to be a publicly documented or standard file associated with a widely known software package or text repository. Based on general technical knowledge and search results, "7z" is a compressed archive format created by the 7-Zip archiver .
Right-click the file and select Extract Here or Open Archive to view the text files inside. YesPlease.7z
Use apps like Unzip One to open and extract 7z files. The file does not appear to be a