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Written by: Jay Douglas Last Updated: 20th Aug. 2025 |
Important: If you have a paid subscription with a custom domain, we don't recommend making changes to your b12sites.com subdomain, as this can cause your domain to become disconnected.
1. From B12's left sidebar menu, click on Domains
2. Click on your secondary domain ending in b12sites.com
3. Enter your desired subdomain and click Save
Note: If your desired subdomain is already taken, you will receive an alert, and you can choose another option instead.
Get in touch with support for further assistance!
If you need further assistance with the B12 editor, feel free to use the Chat button
in the lower right corner of your Editor to reach a live agent during support hours or email hello@b12.io!