Open SUM files

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    Summary Format
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    Garmin
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Have you encountered a problem with a SUM file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a SUM file here. In the further part of this page we have added a list of programs that should open your SUM file. It is enough you choose a proper application for your operating system, download and install it.

Programs which can open a SUM file

How to open file with SUM extension?

In order to open a file with SUM extension one of the following programs must be installed on user’s system. If a problem with opening SUM file occurred, it is highly possible that none of the listed programs is present on user’s system. Even if one or more said programs are installed, there may be issues related with given programs. In order to solve a problem with SUM files, follow the instructions below.
1
Install Garmin Connect or other program from the list

Most often resolving problems with opening SUM files is very simple. Just install an appropriate program that supports such files. All of the listed programs support SUM files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of SUM files or offer file conversion options, but may not be capable of editing such files.


Set Garmin Connect as the default program for opening SUM files

It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate SUM files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the Garmin Connect applications is not on the list, select "Browse" option in order to manually locate the directory where Garmin Connect has been installed.

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Check the section that lists most common problems with SUM files

Sometimes problems with opening SUM files may not lie with the application itself, but can arise due to other causes, such as:

  • File data is corrupted
  • SUM files has been not been completely download from the internet (only a part of the data has been downloaded)
  • Currently used user account hasn’t been granted necessary privileges to open SUM files (should that be the case, please contact your system administrator or IT specialist)
  • SUM file was being copied from a corrupted storage device and is incomplete or data is corrupted. (Copying files from unknown or untrusted sources should be conducted with great care as such files may contain malicious software, which can damage your system)