TCX File Extension

Training Center Database Format
- File Type tcx
- Developer Garmin
- Popularity
- Application Garmin Training Center
- Category GIS Files
- Format XML
What is a TCX file?
The TCX file extension is linked to Training Center Database Format and belongs to the GIS Files category, which includes 247 files.
The Training Center Database Format (TCX) was developed by Garmin, which created file format and 7 programs to work with them.
TCX files are compatible with various operating systems, including Windows and Mac OS. To create a TCX file, you can choose from 2 programs such as Garmin Training Center and FIT to TCX converter.
Programs that support TCX files
How to open a TCX file?
If you cannot open a TCX file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.
Garmin Training Center and FIT to TCX converter are recognized as the most popular software solutions for dealing with TCX files. To set up the newest version of Garmin Training Center on your device, simply go to the official Garmin website. There you can download the edition compatible with every operating system.
Once installed, Garmin Training Center will be set as the default program, and TCX files will open automatically.
Set Garmin Training Center to open TCX by default
Setting a default program by file type in Windows
- Right click on your TCX file, then select "Open with" and click "Choose another application";
- Find the Garmin Training Center application in the pop-up window and select it as your preferred program;
- Select the "Always use this application" check box and click "OK" to save your selection as the default application for opening TCX files.
Change default apps on Mac
- Right-click or use Control + Left-click on the desired TCX file to access the file’s context menu;
- Select "Open in application" and click "Other";
- At the bottom of the window, find the "Enable" menu, where "Recommended Programs" is already selected by default;
- Within this menu, select "All Programs" and then locate Garmin Training Center. Check the box next to "Always open in app" to set it as the default program.
How to edit a TCX file?
Editing TCX files requires installing professional software that lets you open and edit gis files. Online editors have more limitations compared to dedicated Training Center Database Format programs.
Best TCX editors in 2026
Considering the mentioned criteria, we have compiled a list of TCX editors that may suit your needs.
| TCX Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Garmin Training Center | Garmin | Windows, Mac OS | 4.9 out of 5 (39 reviews) |
Convert to and from TCX
If you struggle with a TCX file, consider converting it to alternative formats such as DWG, GEO or other similar file types.
Converting a TCX file may not fully retain all functionality, but it is generally possible to return it to the original format.
Convert TCX to other file formats
Converting Files to TCX Format
Easy TCX Troubleshooting
Certain problems with TCX files can be conveniently fixed with small software tweaks. Here are some helpful tips to address them.
What are the steps to repair a damaged TCX file?
Open the corrupted TCX file in a recovery program and select the "Repair" menu item. Please be patient while the recovery process completes, which will automatically restore the damaged gis files.
How do I know if my TCX file is corrupted?
Corrupted TCX gis files may show the following signs:
- Attempts to open the file result in errors or failed results;
- Editing the archive in Garmin Training Center is accompanied by slow performance or delays;
- The file causes Garmin Training Center or other programs to hang or crash during operation;
- Unexplained increase in TCX file size;
- Error messages appear while working with the file;
What are the reasons behind Garmin Training Center crash?
The likely cause of Garmin Training Center crashing is lack of software updates. Install the latest updates available for Garmin products.
Restarting your computer is often an effective solution to resolve various common problems. Therefore, it is recommended to do so before making any changes to the software configuration.




