7-Zip will automatically read the subsequent files and combine them back into the original file. To help you further, could you please clarify:
Like standard .7z files, split files use LZMA and LZMA2 compression, allowing for significantly smaller file sizes compared to traditional ZIP formats. 5EK18EZQ6L.7z.021
To restore the original file, you must have all parts (001 through 021) in the same folder. 7-Zip will automatically read the subsequent files and
Ensure you have the latest version of 7-Zip installed, as it is the native tool for this format. even when split across multiple files.
Supports AES-256 encryption to secure sensitive data, even when split across multiple files.