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If you receive an error message when downloading an activity from your Garmin device indicating that your download was a “partially damaged file that could be truncated”, it means that a recording error occurred on your device and that the file was at least partially damaged. Strava has stored as much information as possible from the file – and this data will now be available on your Strava account. If part of your activity is missing during the download, there is unfortunately no way to restore the rest of the activity. It may be useful to perform a reset on your GPS unit – although these errors are relatively rare.
The loss of driving data can be a painful experience. You worked so hard for this! Don’t despair, here are some ways to recover your corrupted data FIT file.
There are several options available to you. Read on to learn more.
To repair corrupted Garmin FIT files on your PC:
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Garmin Online Fit Repair Tool
If you try to access the file with the FIT extension in vain, don’t worry. There are a few tools that can be useful when it comes to repairing corrupted FIT files.
One of them is a free online utility that allows you to download a corrupted FIT file so you can download the undamaged version.
It is called Garmin Online Fit Repair Tool and should be used as follows:
- Go to the Garmin Online Fit Repair Tool website.
- Download your FIT file and let the Auto-Fix tool work its magic.
- You can also convert it to CSV format.
Fit File Repair Tool
- Repair corrupted files with sophisticated error detection and correction.
- Edit your files with a modern graphical user interface.
- Conversion between different file formats (FIT <-> TCX <-> HRM <-> GPX)
- NEW: Batch upload function for Garmin Connect, Strava etc… Download your complete history with a single mouse click! Switching to Garmin Connect has never been easier………
- Analyze your files using the Map and Graphics functions.
- View your activities on Google Maps.
- Combine HRM and GPX files into a single activity.
- Process floating data files
- Import and export of R-R values (HRV)
- Upload your files to Garmin Connect, Strava TrainingPeaks, etc. with a single click.
- Merge multiple files (useful if you have recorded an activity with two training devices and want to merge the recorded data into a single file).
- Convert courses (FIT) into activities (FIT, TCX, HRM) and ongoing activities.
https://support.strava.com/hc/en-us/articles/216917987-Corrupted-FIT-files
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