I wrote a series of articles on how to move your existing WordPress blog to Azure VM. This is part 3 of a 4 part series. Originally posted on KEMP Technologies blog: http://kemptechnologies.com/blog.
Backing up site content for your existing WordPress site can be accomplished using FTP or other file transfer options. Many web hosting companies provide a control panel that allows you to visually explore contents of your website in the browser and also allow you to download site content. I chose to download my content using FTP. You should backup all the files from your WordPress root folder including wp-admin, wp-content and wp-includes folders.