A customer record is basically a collection of values, such as his first name, email address, cell phone number, etc. You can also think of it as a row in a spreadsheet. The following figure shows a customer record.
The import file must be a CSV (Comma Separated Values) file. If you currently have a Microsoft Excel file, you can save the file to a CSV format. To do so, select the File menu, then choose Save As, then select CSV (Comma delimited) (*.csv) as the file type.
Click a Import button to start. Normally you can find the button under the Contact menu.
If a record already existed in the system, new information from your import file can be merged to the existing record. The default values is "if existing field is empty", which means the new information will be added to the existing record only if the existing value is empty.
Go to Contact, select the list by the import file name (lead source), then click the
You can add custom fields to the system if you need more fields for the customer record. To add a custom field, go to Setup, Contact, Custom Field. (You may also want to re-arrange and hide certain fields in the display)