What is .AT5 file extension?
.AT5 file extension is a known file type. This section tells you everything you need to know about this extension.
Map file used by Lowrance navigation devices, which are used for marine, outdoor, automotive, and aviation activities; contains a map that can be loaded into the device through Lowrance software; used for storing pre-fabricated and custom maps.
You can see a list of software programs below that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.