There are businesses that are using customer built CRMs, niche CRMs, CRMs that don't have native integration with respond io or email platforms like outlook. A very common interaction that employees is to find the contact in respond io then review the conversation, chat with the customer or call the customer. Doing this manually is time consuming and difficult, while building a custom integration would involve developers and management approval.

A Chrome Extension or similar that would be able to provide a shortcut for a user in another platform or on the web to get to the contact in respond io. Hubspot Chrome Extension is an example of this: https://chromewebstore.google.com/detail/hubspot-sales/oiiaigjnkhngdbnoookogelabohpglmd?hl=en