Open 7-Zip (or a similar utility like WinRAR), right-click on the first file ( .001 ) , and select "Extract Here."

Ensure you have HAY.7z.001 , HAY.7z.002 , and any others in one directory.

Large datasets are often split into smaller volumes (e.g., .001 , .002 , .003 ) for easier uploading and downloading.

Detail how you processed the multi-part 7z files and the analytical tools used.

Since "HAY" is often a prefix used in academic datasets (such as those involving or specific Bioinformatics databases), your paper should follow a standard scientific structure once the data is extracted: