1. What "Index of" Means When a web server (e.g., Apache, Nginx) has directory listing enabled and no default index file (like index.html ) exists, it displays an Index of /[folder] page. This lists all files and subdirectories, often with:
File name Last modified date File size
These listings are not controlled by Microsoft Office itself — they are server-side directory indexes.
2. Example "Index of" Page for MS Office Files If you were to see an index page containing MS Office files, it might look like: Index of /documents/office [ICO] Name Last modified Size [PARENTDIR] Parent Directory - - [ ] budget_2024.xlsx 2025-03-20 10:15 48 KB [ ] report.docx 2025-03-19 15:42 210 KB [ ] presentation.pptx 2025-03-18 09:23 1.2 MB [ ] database.accdb 2025-03-17 18:01 540 KB [ ] notes.odt 2025-03-16 22:10 35 KB intex index of ms office
(Note: .odt is OpenOffice/LibreOffice, but often listed alongside MS files.)
3. Common Use Cases for Such Indexes
Intranet file repositories (internal company "intex" might be a typo for "intranet" or "index"). Publicly accessible but unlisted document archives (sometimes accidental). Educational resources – teachers sharing course materials. Legal or public record repositories . *.xlsx *.xls AddDescription "
4. Security & Legality Note Accessing directory indexes without permission, especially if they contain sensitive internal MS Office files, may violate laws or policies . Always ensure you have authorization to browse such indexes. Many servers disable directory listing for security reasons.
5. How to Generate an Index of MS Office Files (for Your Own Server) If you want to create such an index for your own files: For Apache (.htaccess): Options +Indexes IndexOptions FancyIndexing NameWidth=* DescriptionWidth=* AddDescription "Excel workbook" *.xlsx *.xls AddDescription "Word document" *.docx *.doc AddDescription "PowerPoint" *.pptx *.ppt
For Python (simple HTTP server): python -m http.server 8000 *.docx *.doc AddDescription "
This serves the current folder as an index — but it won't filter only MS Office files by default. For Nginx: location /office { autoindex on; autoindex_exact_size off; autoindex_localtime on; }
6. Searching for Such Indexes (Shodan / Google Dorks) You can find directory indexes using: intitle:"index of" (doc|docx|xls|xlsx|ppt|pptx)