How to open .SLD file extension?

If you cannot open a new file that has been saved in the .SLD format you need to download the appropriate software. The manufacturer of .SLD files is Open Geospatial Consortium; .SLD files belong to the GIS Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .SLD files. Activities performed in the order described should solve the problems with all the files in the .SLD format.