Because .rar is a proprietary format, standard operating systems like Windows or macOS often require third-party tools to open them:

: After extracting the raw data, you can open the files in a word processor (like Microsoft Word or Google Docs) and save them as a new paper or PDF. Need to open, create, or convert a RAR file? - WinZip

: You can use well-known tools like WinRAR , WinZip , or free alternatives like 7-Zip .

: It is highly recommended to run a scan with antivirus software before extracting any .rar file from an unknown source to ensure it does not contain malicious code. Converting to "Paper" (PDF or Document)