> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.taxx.lu/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# I already have a taxx.lu account, can I use the Google login?

No, the Google login is not available for existing accounts. You must continue to sign in with:
* Your current email address
* Your taxx.lu password
This limitation ensures the security of your tax data already stored in your account.