Make sure the permissions are set to "Anyone with the link can view."
Go to Tools > Import and select the appropriate platform. Blogger: Go to Settings > Manage Blog > Import content . Download File 1qsjrkxcp723.zip
If that file is an export of an old blog (like a WordPress or Blogger backup): Make sure the permissions are set to "Anyone
Sharing large files requires a bit of a workaround since most blogging platforms don't host .zip files directly. Download File 1qsjrkxcp723.zip