GitHub - tcgoetz/GarminDB: Download and parse data from Garmin Connect or a Garmin watch, FitBit CSV, and MS Health CSV files into and analyze data in Sqlite serverless databases with Jupyter notebooks.
Garmin enables migration from Fitbit: Here's how it works | DC Rainmaker
Importing Apple Watch workouts into Garmin Connect
How to import data weight to garmin - Garmin Connect Web - Mobile Apps & Web - Garmin Forums
Getting old smart scale data into Garmin Connect : r/Garmin