How to Backup your Blogger blog:
That's a simple question, but people often ask about: "how to backup my Blogger blog?"
1. Go to your Blogger account.
2. Choose your blog and click "Layout" and "Edit HTML".
3. Now you see the "Backup/Restore Template", click on "Download Full Template".
Your blog is saved on your computer. To restore it, just click on "Browse", choose your saved template and click "Upload"