How To Move Blogger Blog To Another Email Address
2.Click on "Settings" on your dashboard
3.Now click "Permissions" tab.
3.Under Blog Authors click on the "ADD AUTHOR" button.
6.Now log again with your previous(old) gmail account that you made invitation, go to Blogger Dashboard-->Settings-->permission and click give admin permission.
7.Now your blog can be managed by 2 email account, you can delete one (old) if you want.
Now you are done.