Soluton 1: Data Import

1. Data Conversion

1. Download Attached Excel File
2. Open File “Seminar Contacts” and Convert Excel file (.xlsx) to CSV by clicking on File->Save As
3. Change the file type to: CSV (Comma Delimited/Separated Value) (*.csv)
4. Then Save

2. Data Import 

1. In Salesforce Setup Navigate -> Integration -> Data Import Wizard or type it in quick find
2. Click on the Launch Wizard button
3. Select Accounts and Contacts-> New Records -> CSV (click on Choose file button and select the “Seminar Contacts.csv” File and click Next
4. Map CSV Columns with Salesforce Account/Contact Fields and click Next
5. Click on the “Start Import” button to start data import
6. View import result to check if all 30 contacts were imported
7. finish

SOLUTION 2: