Generic names like "Big_Preview" followed by an .rar or .zip extension are common indicators of malware or phishing attempts. If you encountered this file as a download link from an unsolicited email or an untrusted website, do not open it.

If this was part of a specific research dataset or a supplementary material for a paper, the name is likely a placeholder used by the uploader rather than a formal title.

It is frequently used for archives containing large previews of photos, vector graphics, or design templates from sites like Freepik or Adobe Stock.