You can deactivate your Kobo account anytime. 

When you close your Kobo account, you'll no longer be able to:

• Update your Kobo library with the latest books on your Kobo eReader, Kobo App, or the Kobo Desktop App.
• Sign in with your linked accounts.
• Sync your Kobo library between devices.
• Buy new eBooks or audiobooks from the Kobo Store.

Follow these steps to close your Kobo account:

1. Go to Kobo.com.
2. Sign in to your account.
3. ClickMy Account at the top of the screen.
4. Click Account Settings.
5. Scroll to the bottom of the screen and look for 'Deactivate Account?'
6. Click Deactivate Account. A 'Deactivate Account?' dialog screen will appear.
7. Click Deactivate Account.

Notes:

• You can reactivate your account by entering your existing account credentials in the sign-in screen. Once you enter in your account credentials, you'll see a 'Reactivate your account?' screen. Click Continue to reactivate your account.
• If you forgot your Kobo account password, follow the steps here to reset it.
• If you had someone from Kobo Customer Care deactivate your account, you'll need to contact Kobo Customer Care to reactivate it.