When you decide to shift from your blog from your current host there can be several reasons to move your blog to another host. Primarily, the most common reason for this transfer is the unreliable service of the original host, where downloading could take as much as several minutes in a day.

1. Backup the database: Firstly, upgrade your WordPress installation including, files and databases on the WordPress blog. This will help you to have a backup all your uploaded files, images, plug-ins and theme files so that it matches the script version of the new host. WordPress database backup plug-in will be able to help you achieve this task in a snap.
2. Backup the Wp-Content folder: This task can be completed by using FileZilla or any other FTP program. Wp-Content folder is pretty important as it holds your plug-ins, themes and all the uploads (files & images).
3. Install WordPress on your new host: Most of the hosts will provide you an IP address through which you will be able to manage your web host account and will be able to make the changes on it.
4. Delete the old tables: Delete all the tables which were created with your new installation of WordPress.
5. Import the old database: With the help of phpMyAdmin or SQLyog community edition you will be able to import the old database completely.
6. Replace the Wp-Content folder: Replace the wp-content folder which got created with the new installation and approach the new host technical support for more memory space.
7. Customize the new wordpress installation: This is done by editing the required database information found in the file of the root folder of the installation wp-config.php. This has to be done according to the name of the imported database, your user name, password and the host name, which is usually local host.
8. Change the name servers: Change the name server with the help of your domain registrar control panel, you have to change the name server of your existing domain to the name server of your new hosting company and in the next 24 hours your blog will work just like normal.

Quick Tip: If you use Google Apps for email solution for your domain, then don’t forget to change the MX server details too and avoid loosing a lot of important e-mails.