How do I update existing data using an import?

If you are looking to update existing data in one of your tables by importing a data file, this tutorial will guide you through the necessary steps: How to Import Your Data into an Existing Table

Tip: When importing to update existing data, you do not need to include all the fields in your table within the import file. You can include only the fields you want to update in your import file, plus the field that you will use for matching (identifying which records to update).

Learn more in our article here: Importing a Data File to Update an Existing Table