.csv Garmin .csv Garmin CSV file format Garmin CSV files store location data for custom points of interest (POIs). The format has several variations, but all files use the same basic structure, with 3 or 4 columns of data separated by commas. CSV files can be created with Notepad on a PC or TextEdit on a Mac. Simple 3 Column CSV Files The simplest files have one row of data for each location, with 3 values in each row: longitude, latitude, name Here's an example with 2 locations: -123.12345,34.98765,"Amy's House" -123.12332,34.98622,"Gary's Garage" Things to notice in this example: use decimal degrees for coordinates (not degrees, minutes, seconds) always start each location on a new line beginners often accidentally switch the coordinate order (longitude must be first) http://www.poi-factory.com/garmin-csv-file-format">Garming csv File Format