LinkedIn does not permit lead/contact downloading. This is part of the privacy agreement they have with their members.
That being said, there are some workarounds. The first is to license Salesforce Navigator which maintains a set of Accounts (companies) and Leads (contacts) within the product. While not downloadable, you receive alerts on those contacts along with messaging tools (InMail, messaging, and PointDrive).
You can also download accounts and contacts (called Leads within Sales Navigator) from Salesforce or MS Dynamics to LinkedIn Sales Navigator. While
Sales Navigator includes a set of SNAP connectors for CRM, Sales Engagement, and other platforms. This tool provides a subset of Sales Navigator and Functionality within enterprise software. Features include profile viewing, InMail, connections, and icebreakers (talking points).

Option 2 is to license a chrome extension which recognizes domain names and LinkedIn profiles and matches them against their reference database. They then provide contact details and company firmographics within a right-handed side window. These databases usually include email and phone information not available in LinkedIn. Some include other details such as company technographics, news, and Alexa scores. Vendors with Chrome extensions include Zoominfo ReachOut, DiscoverOrg, HG Insights, DataFox, RingLead,
Chrome extensions support send to Salesforce, MS Dynamics, Outreach, and SalesLoft features. Thus, you can be researching a company or contact, click on the extension icon, and kick off a sales engagement cadence within a few seconds (longer if you pause to review the enhanced profiles). A few even include contact prospecting for companies so you can search for specific company roles and
- Add them to your CRM as contacts or leads individually or in bulk
- Be notified of contacts already in your CRM (to avoid duplicates)
- Kick off a Sales Engagement cadence / sequence
- Research employees