Yes, there are a few precautions to keep in mind when attempting to recover deleted PDF files: 1. Stop using the affected drive or storage device immediately to minimize the risk of overwriting the deleted files. 2. Do not install the data recovery software on the same drive or storage device from which the PDF files were deleted. Install it for a different purpose to avoid potential data overwriting. 3. Select reputable and reliable data recovery software to ensure the best chance of successful recovery. 4. Always preview the recovered files before restoring them to ensure they are intact and accessible. 5. It's a good practice to regularly back up your important files, including PDFs, to prevent data loss and simplify recovery in case of accidental deletion.