WLMP is an acronym for Windows Live Movie Project. Files that contain the .wlmp file extension are files that have been created by Microsoft's Windows Live Movie Maker computer application.
The Windows Movie Maker software allows a user to create slide shows and movies. The WLMP files that are created by this software are often saved to WMV format so that the the created media can be burned to DVD or published on social media sites like YouTube. However, as the file project is in progress the file is saved with the .wlmp file extension until the edits have been finalized.
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