: If you have the file, look at the suffix (e.g., .pdf , .zip , .docx ). Adding the correct extension often makes the "report" readable.
Could you clarify or what topic the report is supposed to cover? Knowing the general subject (e.g., finance, medicine, exam prep) would help me find the specific document title for you. 5_6163288493645627718
The string appears to be a unique file identifier typically generated by Telegram's internal storage system. Why you are seeing this string: : If you have the file, look at the suffix (e