---
title: How can I change the email address that I used to sign up?
description: To change your email address that was used to sign up you need to reach out to our customer service team and they can assist you with your query.
---

[Skip to content](https://help.cos.net.au/knowledge/how-can-i-change-the-email-address-that-i-used-to-sign-up#main-content)

[![COS-Logo-CMYK-1](https://help.cos.net.au/hs-fs/hubfs/COS-Logo-CMYK-1.jpg?width=200&height=82&name=COS-Logo-CMYK-1.jpg)](https://www.cos.net.au/)

Open main navigation

Close main navigation

- [Contact us](https://www.cos.net.au/c/contact-us)

[Contact us](https://www.cos.net.au/c/contact-us)

 How can we help you?

- There are no suggestions because the search field is empty.

1. [Frequently Asked Questions](https://help.cos.net.au/knowledge?hsLang=en)
2. [COSnet](https://help.cos.net.au/knowledge/cosnet?hsLang=en)

# How can I change the email address that I used to sign up?

To change your email address that was used to sign up you need to reach out to our customer service team and they can assist you with your query.If you encounter any difficulties or specific restrictions   contact one of our Customer Service agents via Live Chat, email us at [**customerservice@cos.net.au**](mailto:customerservice@cos.net.au) or call on [**1300 88 22 44**](tel:1300882244) (Mon – Fri, 8:30am – 8pm AEST).[mailto:customerservice@cos.net.au](mailto:customerservice@cos.net.au)

If you have any questions on where your personal information is being accessed, please refer to our **[Privacy Policy.](https://www.cos.net.au/c/privacy-policy)**

- [Delivery](https://help.cos.net.au/knowledge/delivery?hsLang=en)
- [Ordering](https://help.cos.net.au/knowledge/ordering?hsLang=en)
- [Return & Warranty](https://help.cos.net.au/knowledge/return-warranty?hsLang=en)
- [Accounts & Payments](https://help.cos.net.au/knowledge/accounts-payments?hsLang=en)
- [Furniture](https://help.cos.net.au/knowledge/furniture?hsLang=en)
- [Print & Promo](https://help.cos.net.au/knowledge/print-promo?hsLang=en)
- [COSnet](https://help.cos.net.au/knowledge/cosnet?hsLang=en)
- [Product & Stock](https://help.cos.net.au/knowledge/product-stock?hsLang=en)
- [Parent Portal](https://help.cos.net.au/knowledge/parent-portal?hsLang=en)
- [Back to School Assistant](https://help.cos.net.au/knowledge/back-to-school-assistant?hsLang=en#main-content)

    - [Getting Started BTS](https://help.cos.net.au/knowledge/back-to-school-assistant?hsLang=en#getting-started-bts)
    - [Troubleshooting](https://help.cos.net.au/knowledge/back-to-school-assistant?hsLang=en#troubleshooting)
    - [School Bulk Ordering](https://help.cos.net.au/knowledge/back-to-school-assistant?hsLang=en#school-bulk-ordering)
    - [User Management](https://help.cos.net.au/knowledge/back-to-school-assistant?hsLang=en#user-management)
    - [Orders Placed](https://help.cos.net.au/knowledge/back-to-school-assistant?hsLang=en#orders-placed)
    - [Checkout](https://help.cos.net.au/knowledge/back-to-school-assistant?hsLang=en#checkout)
    - [Order Status](https://help.cos.net.au/knowledge/back-to-school-assistant?hsLang=en#order-status)
    - [Building Orders](https://help.cos.net.au/knowledge/back-to-school-assistant?hsLang=en#building-orders)
    - [Navigation](https://help.cos.net.au/knowledge/back-to-school-assistant?hsLang=en#navigation)
    - [Summary View](https://help.cos.net.au/knowledge/back-to-school-assistant?hsLang=en#summary-view)
    - [Quick Actions](https://help.cos.net.au/knowledge/back-to-school-assistant?hsLang=en#quick-actions)
- [Diaries](https://help.cos.net.au/knowledge/diaries?hsLang=en)
- [BTS School Pack](https://help.cos.net.au/knowledge/bts-school-pack?hsLang=en#main-content)

    - [Uploading and Product Matching](https://help.cos.net.au/knowledge/bts-school-pack?hsLang=en#uploading-and-product-matching)
    - [Subject Management](https://help.cos.net.au/knowledge/bts-school-pack?hsLang=en#subject-management)
    - [Pack Details Grid](https://help.cos.net.au/knowledge/bts-school-pack?hsLang=en#pack-details-grid)
    - [Pack Organisation & Reordering](https://help.cos.net.au/knowledge/bts-school-pack?hsLang=en#pack-organisation-reordering)
    - [Finalising & Checkout](https://help.cos.net.au/knowledge/bts-school-pack?hsLang=en#finalising-checkout)
    - [Finalised Packs](https://help.cos.net.au/knowledge/bts-school-pack?hsLang=en#finalised-packs)
- [BTS Parent Portal](https://help.cos.net.au/knowledge/bts-parent-portal?hsLang=en#main-content)

    - [Getting Started](https://help.cos.net.au/knowledge/bts-parent-portal?hsLang=en#getting-started)
    - [Pack Management](https://help.cos.net.au/knowledge/bts-parent-portal?hsLang=en#pack-management)
    - [Products](https://help.cos.net.au/knowledge/bts-parent-portal?hsLang=en#products)
    - [Levies](https://help.cos.net.au/knowledge/bts-parent-portal?hsLang=en#levies)
    - [Pack Status](https://help.cos.net.au/knowledge/bts-parent-portal?hsLang=en#pack-status)
    - [Testing & Publishing](https://help.cos.net.au/knowledge/bts-parent-portal?hsLang=en#testing-publishing)
    - [Parent Letters](https://help.cos.net.au/knowledge/bts-parent-portal?hsLang=en#parent-letters)
    - [Common Troubleshooting](https://help.cos.net.au/knowledge/bts-parent-portal?hsLang=en#common-troubleshooting)
    - [Reporting and Analytics](https://help.cos.net.au/knowledge/bts-parent-portal?hsLang=en#reporting-and-analytics)
    - [Parent Communication](https://help.cos.net.au/knowledge/bts-parent-portal?hsLang=en#parent-communication)

<https://www.linkedin.com/company/1069684/admin/page-posts/published/> <https://www.youtube.com/channel/UCOkvwqkxx74ySi1Dn47KOWA> <https://www.cos.net.au/>

Copyright © 2025, COS