Reply To: Copy & Paste from ID to WordPress

Oh yes, given what you’re saying I think it’s very likely that this is an OS issue (or WordPress issue), not InDesign.
See: https://wordpress.org/support/topic/copypaste-from-word-removes-formatting
and

WordPress 3.9 Has Built-in Support for Pasting from Microsoft Word

However, just to tease: Mike Rankin and I will be presenting a session at pepcon this June on the topic of Moving Content from InDesign to WordPress.

One of the main things we’ll be showing is how to export HTML directly from InDesign, clean it up with a script, and then just paste the raw HTML into WordPress.