Files with ml20 file extension can be found as older web chat recordings made in older MSN Webcam Recorder program.
There is one other file type using
the ML20 file extension!
.ml20 - Mercury Messenger for Mac video data
ML20 file extension - MSN Webcam Recorder video file
What is ml20 file? How to open ml20 files?
File type specification:
The ml20 file extension was used for video recording made using the MSN Webcam Recorder program, that allows users to record video streamed to and from their computer by MSN Messenger's Webcam Feature.
Probably no longer used since Skype and MSN are merged to single product.
This ml20 file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.