Are there to this file (like part2, part3), or is it a single archive you're having trouble opening?
: Use this if you want the files to appear directly in the current folder.
: If you are using a recent version of WinRAR and need to explicitly join files, you can go to the File menu and select Combine Archive , then select the first split file in the dialog box. Tools and Resources
: If this is part of a split archive, ensure all associated files (e.g., those ending in .r00, .r01 or .part1.rar, .part2.rar) are in the same folder .
: Recommended to keep the contents organized in a single new folder.