Invite Your LinkedIn Contacts

You can invite your contacts from LinkedIn to join your network on in three simple steps:

Export your connections from LinkedIn, and save them to a .CSV file
  • Click here or go to
  • Log in to LinkedIn, if prompted.
  • Select to export to "Microsoft Outlook (.CSV file)".
  • Enter the security text.
  • Click EXPORT.
  • Choose SAVE to save the file to your computer, if prompted.
Import the .CSV file into your favorite email program/address book
  • Open your favorite email program: Live/Hotmail, Gmail, Yahoo Mail, AOL Mail, or Microsoft Outlook.
  • Each of these popular email programs provides a way for you to import your contacts from a .CSV file. Follow the instructions provided by your email program to import your contacts from the .CSV file (which you saved in step 1) and save the contacts in your email program's address book.
  • After you've imported your contacts into your email program, proceed to step 3 below.
Send invitations to your contacts from
  • Click here or go to
  • Click the IMPORT CONTACTS link to open the import feature window.
  • When prompted to select where you keep your contacts, choose the email program/address book where your contacts are located (e.g., Gmail, Yahoo, AOL, Hotmail, Outlook, etc).
  • Log in to your email program/address book, if prompted.
  • Click GRANT ACCESS, if prompted.
  • Select up to 500 checkboxes next to the contacts you want to invite.
  • Click NEXT, and your contacts' email addresses will be transferred from your email program/address book to the 40Billion page.
  • Click SEND INVITATIONS and wait a little while until you receive a confirmation message. It may take up to 72 hours to process your invitations. An individual email will be sent to each contact separately, inviting them to join your network on 40Billion.