Brief: if you have used the news module as a blog on the website before, this feature is used to fetch news on your website to the blog module.
Update data:
1- Login to the control panel.
2- From the side list, press (modules)> (blog)> then (update blog data).
A template includes below features show up:
News Section: the section that you want to fetch its content using the news module.
Copy Comments: this option allows you to copy the comments on the content during the transferring process.
Copy Images: this option allows you to copy the images of the content during the transferring process.