Paul is trying hard to help. I would just add that adding tabs in the middle of a paragraph instead of using indents is especially problematic. The difference is that a tab is a character while indents are formatting. I assume that you want the non-numbered lines to be indented to be even with the text following the number rather than with the number. This is done using a hanging indent. You would want to accomplish this modifying the paragraph Style. There is no need to be doing this through vba.

Basic Concepts of Microsoft Word - from Shauna Kelly