The search query filetype:xls inurl:"email.xls" is a well-known Google Dork
This specific dork is primarily used in and reconnaissance. Users who execute this search are typically looking for specific types of data. Contact Lists and Directories
This operator tells Google to filter results exclusively for files with the .xls extension (the classic Excel format from Microsoft Office 97–2003, though it still captures many modern .xlsx files depending on indexing). filetype xls inurl email.xls
Understanding how this search operator works empowers you to both find and fix exposures. Regularly audit your own web properties, educate your teams about safe file-naming practices, and never assume that a file is safe just because it is “hidden” without a direct link.
of this dork against other similar dorks (e.g., filetype:csv , filetype:txt ) Provide a list of other, related OSINT techniques The search query filetype:xls inurl:"email
(or Google Hacking), a technique that uses advanced search operators to find sensitive information that may have been unintentionally indexed by search engines. How it Works
Web administrators occasionally leave directory browsing enabled. If a folder containing backup files, old marketing lists, or employee directories is unsecured, search engine bots will automatically crawl and index every file inside it. 2. Poor File Naming Conventions Understanding how this search operator works empowers you
An OSINT analyst or a malicious actor running this query is usually looking for three things: Target Leads and Corporate Directories