WPS Menu Exporter lets you export only your WordPress menus via the WordPress Export page.

Import attachments from another WordPress blog using a WXR file.

Convert posts from an existing WPML multilingual site via WXR Export/Import for MultilingualPress

Preview and selectively export WordPress content: posts and pages to WXR, or public content types to CSV.

Preview XML content import diffs for WordPress migration; update custom fields incl. ACF, backup & restore per post, export WXR.