See how to backup Thunderbird. We explain how to backup all your emails and contacts or move them to another computer. Cross-browsing compatible: If you're moving from a Windows computer to a Mac, just copy the Thunderbird data folder to the proper place in the Mac and you'll have everything there back again.
You can customize your error pages right from your hosting account using cPanel! Login to cPanel as described in your welcome email. Look for the "Advanced Tools" box and click on "Custom Error Pages" icon. The most common error pages are displayed for you to edit. In most cases you won't need more than that,