Learn how to edit dates in Excel and Google files to match the required date format in Klaviyo. This will make the process of uploading a CSV with customer data seamless and help you avoid upload errors.

Learn how to merge 2 or more lists in Klaviyo. We recommend maintaining 1 list per channel to streamline list cleaning, stay organized, and better understand your audience. Merging lists allows you to clean up your account and remove unnecessary lists without sacrificing data.

Learn how to locate the unique ID assigned to every list in Klaviyo. In addition to lists, every user, flow, campaign, segment, and more.

Learn how to locate a list's subscribe link, which you can share with potential email subscribers to enable them to sign up for your email marketing.

Learn how to access a list's unsubscribe page editor and the shareable unsubscribe link you can provide to subscribers upon request.

Learn how to add subscribers to a list in Klaviyo. Uploading contacts is key when getting started with Klaviyo, particularly if you’re migrating from another service provider or pulling in information from a third party.

Learn how to use Klaviyo's list import tools to add contacts from a former ESP into your Klaviyo account, as well as other best practices for getting started with Klaviyo.

Learn how to remove globally suppressed and unsubscribed profiles from a list, so your list contains only active, emailable profiles.

Growing your list is one of the most important steps in getting set up for success with Klaviyo. Once someone subscribes to email, SMS, or other list, you’ll be able to effortlessly collect all sorts of data about them, like what items they’ve looked at on your site and more; even if they’ve never made a purchase. This, in turn, helps you send more targeted

Learn how to access and analyze your list growth report. For every list in Klaviyo, you can access a growth report that captures data regarding your list's changes over time. Use this tool to monitor business trends and expand your business.

How to create a static list of profiles who converted from one or most previously sent campaigns. These lists created using converted profiles can be use to retarget profiles who converted to send targeted upsell and cross-sell campaigns or exclude profiles who converted from follow up sends.

Learn the difference between single and double opt-in, why double opt-in is important for both SMS and email, and how to update the opt-in settings for a list or keyword in Klaviyo.

Learn about unsubscribes in Klaviyo, and how to manually unsubscribe contacts yourself.