Having problems opening a FIT file?

We have programs that can open or convert your FIT files.

Opening FIT files

Did your computer fail to open a FIT file? We explain what FIT files are and recommend software that we know can open or convert your FIT files.

What is a FIT file?

The .fit file extension is used for a proprietary data file format that was developed by Garmin Ltd. These .fit files are generated as activity files by the Garmin Training Center software.This program is designed for Windows PCs and Mac OS X computers. The Garmin Training Center allows users to monitor their physical activities and exercises like cycling, swimming and other workout sessions. These .fit files contain logged data like date and time stamps, activity details and other pieces of information related to the physical exercises of the user.These .fit files can be created and edited by using the Garmin Training Center software for Windows PCs or Mac OS X computers. The data stored in these FIT files can also be viewed through the user interface of this software.

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

About File Extension FIT

File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.

If you have additional information about the FIT file format or software that uses files with the FIT suffix, please do get in touch - we would love hearing from you.