Follow the Procedures to backup Posts and Comments in Blogger:
1. Login to Blogger and click and expand the “Settings” link from the left navigation menu of
your dashboard.
2. Click on “Other” link.
Under the “Other” section click on “Export blog”.
3. A new small window will pop up with “Download Blog” option. Click on “Download Blog” button to save the backup file(xml) into your hard disk.
Follow the Procedures to Restore Posts and Comments in Blogger
1. Follow the above 1. and 2. steps.
2. Click on “Import Blog” link.
3. A new small window will pop up with “Import Blog” button and Follow the Instructions in the Given Picture.
4. Done
