You can export customer and contact data in CSV or Excel format. The format of the export is identical to the format required for importing. This means you can export your company or contact data, make changes in your spreadsheet, and import those changes back into your Uphance account.
Select Contacts from your left, vertical main menu.
From the sub-menu, select Customer.
Scroll to the bottom of the screen and click Companies CSV or Excel.
Import contact data