In most Windows applications, tapping the Insert button/key will toggle from insert to overtype mode.
WinXP Pro SP1 with Outlook Express6, MS Word 2002:
Usually, when I correct typing mistakes at OE,(back spacing to remove the mistakes) the letters to the right would move to the right to make space for corrections and additional letters. However, sometimes, my corrections overlaps the letters to the right, replacing the 'correct' letters. Why is this happening, and how do I prevent it ? Thanks.