.MLS File Extension
File Type 1Milestones Simplicity File
What is an MLS file?
Schedule created with Milestones Simplicity, a software program that creates presentation-ready schedules; used for planning projects and managing deadlines; contains custom-designed calendars that may include text, icons, and other images.
Programs that open MLS files
File Type 2CrystalPlayer Playlist
.MLS File Association 2
Playlist of video files created with CrystalPlayer, an advanced digital video player for Windows; contains references to video files, similar to bookmarks; provides quick access to commonly used files.
NOTE: The MLS playlist format has a known vulnerability in which the file type can be exploited, allowing arbitrary code to be run. Therefore, do not open any unknown MLS files.