How to Unzip a KMZ

A Google Earth file, a virtual Earth mapping program in Keyhole Markup Language (KML) that has been compressed (zipped), becomes a KMZ file. Users may need to unzip the KMZ to extract three-dimensional architectural meshes for editing with CAD software. KMZ is supported by a wide range of archive unzipping programs, such as 7-Zip, WinRAR and PeaZip.

...
Google Earth provides users with a zoomable 3-D representation of Earth.

PeaZip

Step

Download and install PeaZip from Sourceforge.

Step

Open PeaZip. Click "File." Select "Open Archive."

Step

Select the KMZ from the Explorer window. Click "Open."

Step

Select the file(s) you wish to extract. Click on the "Extract" icon. Choose a folder destination. Click "OK."

WinRAR

Step

Download and install WinRAR from the Rarlabs website.

Step

Open WinRAR. Click "File." Select "Open Archive."

Step

Select the KMZ from the Explorer window. Click "Open."

Step

Click "Extract To." Choose a folder destination, and click "OK."

7-Zip

Step

Download and install 7-Zip from the 7-Zip website.

Step

Right-click on the KMZ to open the drop-down menu.

Step

Select "7-Zip." Click "Extract Here."