> For the complete documentation index, see [llms.txt](https://docs.economize.cloud/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.economize.cloud/aws/new-account-onboarding.md).
# Adding new AWS accounts as an existing user
Navigate to the [AWS Accounts page](https://www.economize.cloud/app/settings/cloud_provider/accounts) within settings, and click on the **Add Accounts** button. As an existing user, you have the option to either onboard multiple accounts or a single account as per your preference.
{% tabs %}
{% tab title="Import single account" %}
1. Select **Single Account** as your import method.
2. Click on the **Create Stack** button, to get redirected to AWS CloudFormation with prefilled settings that will look as follows.
2. Check on the **I acknowledge that AWS CloudFormation might create IAM resources** within the blue dialog box.
3. Click on **Create stack.**
4. Once the stack has been created successfully, your account will be onboarded to Economize and you will be redirected to the dashboard.
{% endtab %}
{% tab title="Import multiple accounts" %}
1. Select **Multiple Account** as your import method.
2. Click on the **Create Stack** button, to get redirected to the AWS CloudFormation page.
3. In **Step 1 (Choose a template)** of the stack creation copy and paste the value of the Amazon S3 URL into the provided field as follows, and click on **Next**.
4. In **Step 2 (Specify StackSet details)** of the stack creation copy and paste the StackSet name and other parameters i.e., CurAccountID, EconomizeDomain, EconomizeHandshakeID, EconomizeID, and EconomizeIamRole into the provided fields as follows.
5. In **Step 3 (Configure StackSet options)** of stack creation leave the setting as it is and click on **Next**.
6. In **Step 4 (Set deployment options)** of stack creation select **US East (N. Virginia)** in the Specify regions field, and click on **Next**.
7. In **Step 5 (Review)** of stack creation check on the **I acknowledge that AWS CloudFormation might create IAM resources** within the blue dialog box, and click on **Submit**.
8. Once all the above steps have been completed come back to the Economize console and click on the **Validate** button, to verify the stack creation.
9. Once the stack has been created successfully, your accounts will be onboarded to Economize and you will be redirected to the dashboard.
{% endtab %}
{% endtabs %}