While plain .txt files are generally safe because they do not contain executable code, you should still be cautious about where you get them:
If a site promises a "vipteste.txt" but tries to make you download an .exe or .apk file instead, do not open it . These are often malware disguised as text files. Download vipteste txt
A file is essentially a plain text document that contains streaming links (often in M3U format) or login credentials for a "VIP test" account. While plain