Heading 2 is not followed by Heading 1 in Microsoft Word 2010 multilevel heading

In MS word 2010, I have set multilevel heading. but my heading style does not follows by previous style. For example Heading 1 is 5. after thet when I select heading 2, it should be 5.1, but it displays 1.1. Can anyone help me to solve it. Thanks.

I had the exact same problem, nothing was working, then I found a solution.

Select a heading, then select Home > Paragraph > Multilevel List > Define new Multilevel List...

Click on More >> at the bottom left of the dialog box.

Make sure everything is set properly in the "Enter formatting for number" textbox by setting the number style and "Include level number from" listbox. Ensure that "Restart list after" is set for the previous list level than thhe one you're editing.

My first level chapters had incremental numbering but the subchapters continued numbering from the chapter one. So for example there was 1.15 instead of 4.1. I had to select the correct List in Current Documents and then everything started to work.

Try right clicking on the list numbering of the heading 2 paragraph and choose "Continue Numbering".