Next, head over to the import tool on WordPress.com and click Start Import next to WordPress
Drag the .xml file you downloaded from Squarespace into the import window, or manually navigate to it. Click Continue once the file has been uploaded. The import will take approximately 15 minutes to complete.
You will receive a notification from us when the import completes. When it completes, all of your Squarespace content will now appear on your site.