How to Edit Garmin TCX Files

Updated July 19, 2017

Garmin files are data files that can be identified with the file extension TCX, according to, an online searchable database of file extensions. TCX files transport fitness data between Garmin programs, which are supported by different Garmin GPS devices.

TCX files can be opened, viewed and edited, using the Garmin Training Center program, which can be downloaded from the product's website (See Resources.)

Right-click the "TCX" file.

Click "Open With."

Select the "Choose Default Program" option.

Select Garmin Training Center.

Click on "Browse" only if you cannot see the Garmin Training Center. Search for it, select it and click on "Open."

Click "OK." Your TCX file will open now and you will be able to view it and edit it.

Things You'll Need

  • Garmin Training Center
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Settled in the U.K., Betshy Paola Sanchez Marrugo is a Colombian woman who has been writing since 2008. Her writing specialties are parenting, computers, the Internet, relationships, nature and health. She writes for sites such as eHow, Answerbag and LIVESTRONG.COM. She was awarded with a writing unit and an ESOL Level 2 Certificate from University of Cambridge.