resource:application/vnd.ms-excel for .xls
- Search for PDF: resource:application/pdf
- Search for Doc files: resource:application/msword (does not find .docx files)
- Search for Excel files: resource:application/vnd.ms-excel
- Search for XLSX files: resource:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
- Search for Word files: resource:application/msword
- Search for Zip files: resource:application/x-zip-compressed
- Search for specific filenames: filename:xyz* This will find filenames that start with “xyz”.