# How to Change Your Primary Email ID or Mobile Number in Billing Records

To ensure you receive all invoices and billing communication on the correct contact details, follow the steps below to change your **primary email ID** or **mobile number** in our records.

**🧭 Steps to Update Primary Email or Mobile Number**

**A. If You Have Access to the Registered Email ID:**

1. Compose an email from your **registered email ID**.
2. Address it to: <account@quicksell.co>
3. Include the following:
   * Your **DoubleTick API Number**
   * Your **company name**
   * The **new primary email ID** and/or **new primary mobile number**

📨 **Email Format (Sample)**:

To: <account@quicksell.co>

**Subject: Request to Change Primary Email/Mobile Number for Billing**

Dear Team,

I would like to update the primary contact details associated with our DoubleTick account.

Company Name: \[Your Company Name]

DoubleTick API Number: \[Your API Number]

New Primary Email ID: \[New Email ID]

New Primary Mobile Number: \[New Mobile Number]

Please make the necessary changes at the earliest.

Best regards,

\[Your Name]

**B. If You Do NOT Have Access to the Registered Email ID:**

In this case, you must initiate the request via WhatsApp:

1. Send a message from your **admin’s number** on [DoubleTick Support](https://wa.me/918356849474?text=i%20Want%20to%20change%20my%20Primary%20Email%20ID%20or%20Mobile%20Number) to our support team on **WhatsApp**.
2. Mention clearly:
   * Your **company name**
   * Your **DoubleTick API Number**
   * The new **email ID** or **mobile number**
3. Our support team will collect the required details and forward your request to the finance team.

**📝 Notes:**

* Only **admin-level** users can request these changes via WhatsApp.
* Email requests must always come from the **currently registered ID**.