: For managing or extracting .zip files once downloaded, you can use the 7-Zip utility for Windows. Back up or import your blog - Blogger Help
This will save your posts and comments as an XML file (not a .zip, though your browser may group it). Log in to your WordPress dashboard. Go to Tools and then click Export . Download (244) zip
If you want to save a blog as a readable document rather than a backup file: : For managing or extracting
Select the blog you want to back up from the top-left selector. Click in the left menu. Download (244) zip