How to create a Lookalike Audience from Email list Facebook

Lookalike Audience is a familiar concept to Marketers, especially those who have run ads on Facebook. If you are new to marketing, understanding this term will help you optimize your ads and improve sales efficiency. In the article below, RentFB will explore with you what Lookalike Audience is, as well as how to create a lookalike audience from email list facebook, deploy and utilize this type of audience to maximize advertising performance!
Overview of Facebook Lookalike Audiences
Among the types of Facebook advertising audiences, Lookalike Audience is a powerful tool that helps businesses expand their potential customer base by reaching people with similar behaviors, interests, and characteristics to their current customers. According to Facebook’s definition, Lookalike Audience is a method of searching and analyzing data, helping advertisers reach a group of audiences that have many similarities with the target customers that the business has previously identified.
Lookalike Audience is especially useful when businesses already have a large enough customer base and have carefully researched the profile of their target customers. When using this feature, Facebook will rely on data from the original source – which can be a list of current customers, data from Facebook Pixel, interactions on Fanpage or customer lists from emails – to create a new audience group with the same characteristics as the original customer base. As a result, businesses can reach potential customers who are likely to be interested in their products/services, thereby increasing advertising effectiveness and optimizing costs.
Using Lookalike Audience helps businesses expand their market without having to search for customers from scratch. Instead of spending a lot of time identifying new customers, Facebook will automatically analyze and find users with similar characteristics to existing customers, making advertising campaigns more accurate and effective.

Benefits of using Lookalike Audience in Facebook advertising
Lookalike Audience is one of the powerful tools in Facebook Ads, helping businesses expand their customer reach in a smart and effective way. If you know how to exploit this feature properly, you can take advantage of many important benefits to optimize your advertising campaign and improve business performance.
Expand your reach with precision
Instead of just targeting your current customer base, Lookalike Audiences help businesses reach new users with similar behaviors, interests, and habits to your target audience. This not only increases the number of potential customers, but also optimizes your reach to people who are more likely to be interested in your products/services.
Improve conversion rates
Expanding your reach doesn’t make sense if your target audience isn’t interested in your product/service. However, Lookalike Audience ensures that your new audience is similar to your existing customers – those who are already highly likely to buy. This increases the conversion rate from ad viewers to actual customers, helping businesses optimize advertising costs and earn more profits.
Easily manage and update your object list
One of the great benefits of Lookalike Audiences is that they are constantly updated in your ad account. This means you don’t have to manually collect new data, Facebook does it for you. As your target audience changes or the market changes, Lookalike Audiences will adjust themselves, helping your business always reach the most relevant customers.
Avoid mistargeting
Lookalike Audiences are created based on data from people who are likely to buy. So, not only do they have the same characteristics as your original customer file, but they are also refined to exclude people who don’t fit the bill. This helps businesses build a high-quality customer file, making their advertising more effective and generating optimal revenue.
Solve the problem of duplicate objects
When running traditional advertising, businesses can encounter duplicate audiences between campaigns, leading to ineffective ad delivery and increased costs. Lookalike Audiences help to overcome this problem by ensuring that the new audience does not overlap with the original customer file and does not overlap between different campaigns. This helps businesses optimize their advertising budget and improve campaign performance.
Lookalike Audience is an indispensable tool in Facebook advertising campaigns, helping businesses expand potential customers, optimize conversion rates and ensure that ads always reach the right audience. If you want to get the most out of Facebook advertising, using Lookalike Audience is one of the most important strategies for success.
How to create a Lookalike Audience from Email list Facebook
Lookalike Audiences are a powerful tool that helps you expand your customer reach on Facebook by targeting people with similar behaviors and interests to your existing customer base. If you already have a customer email list, you can create a Lookalike Audience from this list to optimize your advertising campaigns. Here is a step-by-step guide to creating a Lookalike Audience from your email list on Facebook.

Step 1: You need to access Facebook Ads Manager (Meta Business Suite).
Step 2: Next, go to Audiences to manage and create advertising audiences.
Step 3: Select Create Audience and click Lookalike Audience.
Step 4: You need to select a pre-created customer set using Custom Audience. This can be a customer email list that you uploaded earlier. If you don’t have an email list as a Custom Audience, create it first by:
- Enter the country you want to target. Facebook only allows you to select one country at a time.
- If you want to advertise to multiple countries, you’ll need to create separate Lookalike Audiences for each country.
- If you only do business domestically, choose Vietnam as your target location.
Step 5: Facebook provides a slider that allows you to choose the size of your Lookalike Audience, ranging from 1% to 10% of the population of the country you selected. How to choose the size of your Lookalike Audience:
- 1% – 2%: This is the audience group that is most similar to the original customer file. Running ads to this group often brings the highest conversion efficiency.
- 3% – 5%: More reach, but less relevance.
- 6% – 10%: Broadest audience, allowing for campaign scale, but may be less effective due to reduced similarity.
If you’re just starting out, it’s best to stick with 1%-2% to ensure the best quality Lookalike audience.
Step 6: After completing the above steps, click the Create Audience button. Facebook will take about 30 minutes to a few hours to process the data and create a Lookalike Audience list. When the process is complete, this list will show the status Ready in Audience Manager.
Step 7: Create or edit a new ad campaign in Facebook Ads Manager.
Step 8: In the Audience Targeting section, select the Lookalike Audience you just created.
Step 9: Combine with other customizations like age, gender, interests, etc. to optimize your ads.
Creating Lookalike Audiences from your email list helps you reach new customers with similar characteristics and behaviors to your old customers, thereby optimizing your advertising campaign and increasing sales efficiency. If you know how to use it properly, this will be an extremely useful tool to help you expand your potential customer base without having to spend a lot of effort searching. Wish you success in applying it!
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Frequently Asked Questions
Running a Lookalike Audience on Facebook is easy, even for beginners. Facebook has streamlined the Lookalike Audience creation process to make it easy for advertisers to reach people who behave like their existing customers. All you need is a Custom Audience, select a country, adjust the audience percentage, and Facebook will automatically find people with similar characteristics. Most importantly, you need a quality original customer file to ensure that Lookalike Audience brings the highest efficiency to your advertising campaign.
When running a Lookalike Audience campaign on Facebook, there are a few key factors to keep in mind to ensure maximum effectiveness. First, choose a quality Custom Audience that contains real potential customers so that Facebook can find the most accurate lookalike audience. Next, adjust the size of your Lookalike Audience appropriately—if you choose a range of 1%-2%, your audience will be more similar, helping to increase your conversion rate. In addition, you should combine Lookalike Audience with other targeting criteria such as age, location, and interests to optimize your ads. Finally, regularly monitor campaign performance and adjust as needed to ensure optimal effectiveness.