First we need to export our content from our standalone blog, which is really simple to do in WordPress. While logged into your standalone blog Dashboard window, click on the Tools left-side menu option, and then click on the Import menu item. This will bring you to a screen titled Export, with a little hammer and screwdriver icon next to the Export page title. You can see what this screen should look like in the following screenshot:
Content Export screen
On the Export screen, we have a few options regarding which kind of data we'd like to export. We can export All content, only Posts, only Pages, or only Feedback. As shown in the preceding screenshot, we're going to export All content, as you see it is checked. Any custom post types that you have will also be exported.
Once you've selected All Content to export, just click on the blue Download Export File button. That will cause WordPress to generate a .wxr file that we can then later import into our...