Lbc1.7z
If the file is password-protected, you must enter the password provided by the original source to open it.
Install 7-Zip , the free, official software. Right-click the file, select 7-Zip , and choose "Extract Here" or "Extract to LBC1\" . Alternative: Use free software like WinRAR or PeaZip . macOS: LBC1.7z
(or what do you expect to be inside)?