Adding a Blogger admin account will allow you to use other accounts to log in and take care of your blog in case your main account is locked.
You own your own Blogspot, but for business or other reasons you want to add users to the same admin. So the question is how to create additional admin accounts in Blogspot? Please follow the following article to know how to do it.
Create additional admin accounts in Blogger
Step 1: First you log into the Blog and go to the section Settings
Step 2: Section Basic (Basic) Click the button Add authors
In the box below, enter the email address of the other admin account you want and click Invite authors.
Step 3: The next thing you have to do is log in to the Email of the admin account you just entered to confirm the invitation
That is done. You can now use another account to access your main blog.
In the framework of the article on Taimienphi.vn that instructed you to create additional admin accounts in Blogger, you can create as many admin accounts in Blogspot. Thus, it is possible to use multiple accounts to log in and maintain the Blog even when having login problems with the main account.