You can download maps in MindGenius Online in the MindGenius map format, or as a text outline in TXT, Word or PDF format by selecting the cog button in the top right corner of the Map view.
You can also download maps from the Related Docs area from the More options menu in the map list.
You may want to download your main project map however and find that there is no link to download it.
The main project map can still be downloaded however. If you type (minus quotes) "/download" onto the end of the map URL, your map will download in the MindGenius format in the same way as the download from the Documents tab.
Currently, downloading maps in any format other than the standard MindGenius .mgmx format is not possible.