Both a folder and a 7Z file can store one or more files, and even other folders. It's a bit like a folder on your computer, except that it really acts like a file.
A file with the 7Z file extension is a 7-Zip Compressed file. 7Z File (What It Is and How to Open One) - Lifewire.To extract them just place all the files in one folder along with the rar file that came with them and just extract the first file. rxx(00-99) files are multi part files that were created using WinRAR. Message-ID: fprod1> Subject: Exported From Confluence MIME-Version: 1.0 Content-Type: multipart.Ready to be used in web design, mobile apps and presentations. When the conversion is complete, you can safely delete the original files. When you convert 7-Zip into an ISO, you are really extracting the ISO from the zipped files. It is a utility used to archive and encrypt files, sometimes into multiple parts.