I\'m hitting problem with a reasonably straightforward vba macro for Microsoft Word which is designed to get around some issues we\'re seeing with list indentation when we creat
Besides UndoClear, you can also save the document at each loop.
It might heavily impact in your macro performance, though.
There's a similar issue here http://social.msdn.microsoft.com/Forums/en-US/vsto/thread/de7a88b4-914f-4895-a88a-659b732e8d87/
Hope this helps.