The Stages Sync application has a built in feature to export .FIT files from a Stages Dash head unit. This feature is intended for Dash users to convert the default .RDE files into the .FIT format for uploading to third party websites. This feature is only intended for use with a Stages Dash unit and will not convert files from other head units or other file types. 

To access this feature, select I just want to export .fit files from the login screen. If you are already logged in, select File > Logout. For detailed instructions on exporting .FIT files from your Stages Dash, click here