Note: Follow the instructions at https://wiki.openoffice.org/wiki/Convert2MediaWiki to add the Mediawiki conversion options to Open Office.
- Open the document in Open Office.
- Highlight and select the required tables, or select all.
- In the File menu, select Export..., and then in Save as type, select Mediawiki.txt.
- Open the saved Mediawiki.txt file in Notepad ++.
- Highlight to select all the required code, then copy and paste into the required wiki article.