The first step is to download and install the software on your Windows OS.
![download tgz to html converter](../../images/screenshot/tgz-to-html/download-tgz-to-html-converter.webp)
The next step is to add Zimbra TGZ files with the help of the Browse button.
![gaintools tgz to html converter](../../images/screenshot/tgz-to-html/gaintools-tgz-to-html-converter.webp)
Once TGZ files are added on the software panel. One can get a complete display of these items before their migration.
![open tgz](../../images/screenshot/tgz-to-html/open-tgz.webp)
Choose HTML file format in Export options.
![select html file](../../images/screenshot/tgz-to-html/select-html-file.webp)
Click on the Browse button and specify a location to save HTML files.
![selection of output format](../../images/screenshot/tgz-to-html/selection-of-output-format.webp)
Finally, hit the Generate Now button to commence the conversion.
![click generate now](../../images/screenshot/tgz-to-html/click-generate-now.webp)