Feb 20

Software you will need:
Google Earth
POI Loader

  1. Load all your Coordinets/Addresses in Google Earth and drag to an appropriately named  folder under My Places.
  2. Right-Click on that folder and select Save Place As…  and save it as a .kml file.
  3. Fire up POIEdit and open the .kml file you just saved.  Then select the File menu and Save As.
  4. Select to save it as a Garmin Comma Seperated file.  And save that file in the same directory you save your other POI files.
  5. Then use Garmin POI Loader to load the csv file.
Feb 19

This is exactly the tool I was looking for to easily update Tags.