Word automatically formats text as a numbered list when you when you type a number and a period followed by a space: Word adds a tab and creates a ¼-inch hanging indent. (If the paragraphs already have hanging indents, the original settings are preserved.) The quickest way to create a custom numbered list is to change the formatting of an existing (or automatically created) list.

UPDATE: I was able to fix this by DEselecting “Allow Document Pages to Shuffle” and “Allow Spreads to Shuffle.” Or perhaps I only need to do one of those, but I was trying everything in the book and happen to uncheck those. Once I deselected those, I was able to move the spreads back to the way they needed to be. Of course, I had to do each of them individually, which would be tedious if you had a very large document already created. Definitely something that I will have to remember to do at the beginning of creating a document. (Luckily, this particular one is only six pages.) I’m wondering if there is a quicker way if this issue returned.
Two things to keep in mind regarding numbering across multiple frames: First, you have to set up a List, as discussed in this post. Second, fi you have more than one unthreaded text frame on the same page, the numbering can get wonky because the numbering is based on the order you created the text frames. Cut and paste a frame and the number updates.
Whats happening is that the first set of NUMBERING (including sub numbering) i.e for 1.0 HEADING 1 is coming PERFECTLY as numbered. I hit "enter" at any level of numbering, word automatically puts the next number below that number. However for the rest of the headings such as 2.0 and 3.0, where there should be 2.1 there is 1.1, where there should be 2.2, its 1.2 and so on and so forth. Same for 3.0 and its numbering subsets.
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I find the numbered list feature to be completely confusing, even after reading Real World IDCS3. I just don’t seem to be able to wrap my brain around this feature…or maybe its just the dialogue box because the idea of list numbering makes perfect sense. I usually end up exhausting my vocabulary of not-very-nice words when I try to use this feature (and my vocabulary is fairly extensive).
Changing the numbering display affects how pages are indicated in the InDesign document, as in the Pages panel and in the page box at the bottom of a document window. The numbering display also affects how you specify page ranges when printing and exporting the document. However, the numbering display does not change the appearance of page numbers on document pages. numbering in indesign