You can use tools like The Unarchiver or the Keka app to extract 7z files.
The .7z extension indicates it uses the LZMA or LZMA2 compression algorithms, which typically result in smaller file sizes than standard .zip files. How to Open and Use BLC.7z BLC.7z
Use apps like 7Z: Zip 7Zip Rar File Manager on Android to manage these archives on the go. Safety and Troubleshooting You can use tools like The Unarchiver or