Exporting blog posts for a Squarespace site

I’d like to export my blog posts and import them to a Squarespace site. Webflow exports to CSV and Squarespace only imports Blogger, Tumblr and Wordpress blogs. I tried converting the CSV to XML and uploading it as a “wordpress” blog, but it failed. I imagine it’s because the structure is completely different. Anyone know how to do this? Is it even possible? Thanks!