There is only one file type that uses the .LZP extension:
Image file stored in the LazPaint format; created by LazPaint, an image editor; contains a bitmap that uses lossless compression; similar to a .PNG file, but are larger in size.
To create an LZP file, select, name the file, choose the save location, select the LZP extension from the "Save as type" drop down menu, and click .
To open an LZP file, you can double-click the file or select, choose your file, and click .
Updated: December 16, 2013