Short answer
PDF files generally offer the best search accuracy in AskTuring.
Full explanation
While AskTuring supports multiple file formats — including PDF, DOC, DOCX, PPT, PPTX, RTF, TXT, and MD — PDF files typically deliver the highest search accuracy.
This is because PDF formatting preserves document structure and content consistently across systems, which improves the AI’s ability to parse and understand the text.
Other file types such as Word documents or plain text files will still work well, but formatting inconsistencies (like hidden characters, tracked changes, or layout shifts) can sometimes affect search results.
If you are uploading scanned PDFs, AskTuring automatically performs OCR (optical character recognition) during the upload process, so no manual text conversion is required.
Tips
Use clean, text-based PDFs whenever possible for optimal results.
If converting from another format, export as PDF to help maintain structure and accuracy.