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.KMZ File Extension

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Google Earth Placemark File Icon
File Type
This file is saved in a zipped format.
You can view the contents by unzipping it with a file decompression program.
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Google Earth Placemark File
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CategoryGIS Files
File Format Description

Stores map locations viewable in Google Earth, a global mapping program; provides a bird's eye view of locations throughout the U.S. and other areas of the world; placemarks may include a custom name and the latitudinal and longitudinal coordinates of the location.

KMZ files may also include limited 3D model data exported from Google Sketchup (as an .SKP file) or from ArchiCAD. The model can be placed on the map at a specific location to provide an idea of what the building will look like in that area.

KMZ files are zipped .KML files, which make them easier to distribute and share with multiple users.

NOTE: You can open a KMZ file in Google Maps by saving the KMZ file to an online location and then typing the URL in the Google Maps search box. For example, if your file is hosted at, type the URL in the search box and it will be displayed in Google Maps.

Alternatively, to display your KMZ file in Google Maps, you can construct the URL yourself by prefixing it with Therefore, using the same URL from above, you would type the following URL in your Web browser:

Program(s) that open .KMZ files
Updated 1/12/2015