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Using style separator is causing the numbering to disappear when in Print Layout view

Michelle Peters 115 Reputation points
2026-01-15T23:52:19.4433333+00:00

I am using the first level of numbering -- Heading 1 to format my document. I am adding a style separator after the first period and as soon as the style separator is added, my numbering disappears. If I change my view to draft, I can see the number. In Print Layout view, I cannot. I also cannot see it in Print Preview. For example, my paragraph looks like this:

  1. Sale and Purchase. This is a sale and purchase agreement. This is the rest of the paragraph and blah blah blah.

This is formatted in Heading 1 style. As soon as I add the style separator after Sale and Purchase. the 1. disappears. This is happening in a brand new document, in an existing document and with different numbering. I can see the number is still there when I switch to draft view, but in page layout view or Print Preview, the number is missing.

This can be replicated across multiple machines as well.

Any help will be greatly appreciated.

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Moderator's notes:

Microsoft 365 and Office | Word | For business | Windows

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Answer accepted by question author

  1. David Giambruno 125 Reputation points
    2026-01-19T01:43:35.4933333+00:00

    I found that saving the .docx document to the older .doc format resolves this issue. The numbers reappear, numbering is restored.

    Moderator's note:

    See also Stacy Brown's response on January 29:

    I have been following this issue here and on other vendor and legal technology boards. A new work-around was posted from one of our vendors, DocStyle. They say to try:

    • Work in Draft Layout while editing
    • Turn on Track Changes to print or PDF
    • Turn off Track Changes then save or send the file.

    So, it seems that turning on Track Changes makes the numbers of the affected Outline Numbering levels reappear.

    See also Charles Kenyon response on February 20 using the Show/Hide button.

    9 people found this answer helpful.

Answer accepted by question author

  1. Stefan Blom 339.3K Reputation points MVP Volunteer Moderator
    2026-01-16T00:05:32.83+00:00

    I can reproduce this. I format a text paragraph as a numbered Heading 1. As soon as I add the style separator, the heading number disappears. It is still present in the formatting, though, because it does show up if I create a table of contents. See the screen shot below.

    I did my test in version 2512 of Word (perpetual license, specifically Office 2021).

    At a later stage, I was able to reproduce the issue in my subscription version of Word as well.

    I recommend that you report this using the Help > Feedback > Report a problem command in Word.

    ImageHeadingAndStyleSepissue

    5 people found this answer helpful.

Answer recommended by moderator

  1. Suzanne S Barnhill 277.3K Reputation points MVP Volunteer Moderator
    2026-01-28T02:05:51.2733333+00:00

    5 people found this answer helpful.

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  1. Charles Kenyon 166.8K Reputation points Volunteer Moderator
    2026-02-20T19:15:48.3333333+00:00

    I looked into Stacy Brown's method. I believe that the problem has to do with a bug in hidden text. I have no idea why turning on Track Changes makes it work, but it does. I've discovered that toggling display of non-printing formatting works as well.

    Here is the text in Print Layout View with Track Changes off.

    User's image

    Note that hidden text including the Style Separators are visible.

    Here is the same text in Print Preview and what will print. (This assumes you are not printing hidden text.)

    The numbering is visible. The hidden text is not.

    User's image

    Here is what the text looks like in Print View with Track Changes and non-printing formatting marks off!

    User's image

    The hidden text and the numbering disappears.

    Here is what appears in Print Layout View with Track Changes on.

    Numbering is visible and hidden text is hidden. The printout from this is the same as when the Show/Hide button displays hidden text.

    Note:

    Simply turning on display of hidden text does not help. I suspect that turning on display of hidden text and paragraph marks might do it, but show/hide is so easy. Likewise, if the option to print hidden text is turned on, it does not display the numbering.

    1 person found this answer helpful.
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  2. Fultz, Ryan 15 Reputation points
    2026-02-19T14:17:33.02+00:00

    Hello everyone,

    I've determined the cause and the fix. As with any internet advice YMMV:
    Adding the following regkey as administrator:
    [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Office\16.0\Common\Experimentation]

    "DisableExperiments"=dword:00000001

    Then deleting the following subkey in HKCU (must run regedit as normal user not admin)

    HKCU\Software\microsoft\office\16.0\common\experimentconfigs\ecs\word\configcontextdata (delete this whole key)

    This immediately resolved the issue for me and prevented recurrence.

    1 person found this answer helpful.