Double extensions like this usually occur for one of two reasons:
: This stands for MPEG-4 Part 14, another widely used digital multimedia container. ⚠️ Potential Issues MONIKA 2.mkv.mp4
: Hackers sometimes use double extensions (like .txt.exe or .mp4.exe ) to trick users into opening malware. Since both .mkv and .mp4 are video formats, this is less likely to be malware and more likely a formatting accident, but you should still exercise caution if you downloaded it from an untrusted source. Double extensions like this usually occur for one
: This stands for Matroska Video, a popular high-definition video container. a popular high-definition video container.