How to open SUM file format? (Garmin Checksum File)

Problems with opening SUM files occur very often among users. Unfortunately, not everyone is aware that the basic and usually the most common problem is the lack of an installed software to handle the SUM file. Its full name is Garmin Checksum File and the company responsible for its development is Garmin. Your SUM file has probably an encoded information from the Misc Files category. If you want to view its contents, open, edit or convert the SUM file to another format, install one of the applications from the list, which is presented below on this page. Can’t you still open your SUM file? Please, visit sum where you will find more information.

Programs using this file extension

Windows
– Garmin Connect
– eSignal