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I was working in a word document this morning and all was well, it has custom styles I've used many times. I made a bunch of changes to the document, saved it and sent it off. The person I sent it to said the numbering was messed up, when I re-opened it, sure enough, all the numbers have been replaced by black boxes.

I'm working in Office 2013, they are working in 2010 and 2007. Anyone ever seen this or know how to fix it?

enter image description here

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Sounds like a font issue. What font were you using and does the person you sent the document to have those fonts? – burrowsrjl Dec 24 '12 at 0:34
Sorry, missed this over the holidays. Standard font, Calibri I think. User definitely has the same font. – McB Jan 14 '13 at 18:09
When you say the numbering is messed up, are you talking about the numbers of numbered lists, heading numbers, or page numbers? Is the black box that appears a font? Select it and see what it is. If it isn't a font issue and Word's built-in styles are Ok with the move from 2013 to 2010 and 2007, then the custom style might be the candidate. Have a look at what happens to the style definition on 2010 and 2007 and when its opened again in 2013. – burrowsrjl Jan 15 '13 at 22:37

Word heading number blacked out

If the link doesn't work well, try this:

Place the cursor just to the right of the black box in any example of the affected heading. Hit and the black box should turn gray. Type Ctrl+Shift+S to bring up a style popup. Click Re-apply.

I just tried this just now and it worked for me. Good luck!

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I just tried this as well, and it worked. Thanks – molgar May 26 '15 at 16:45
Thanks very much, it works !! You just have to make sure the black turns grey, follow exact instructions. – united-expression Nov 3 '15 at 9:40

After much experimenting in trying to fix this, I think it's linked to two things: Creating a numbered list using Word's built-in header styles/titles and then modifying that list (in my case, changing the indent spacing). For me, those two actions inevitably result in the black boxes.

Though I cannot cure a diseased document, I've learned how to avoid having it happen again.

Using a clean document (not a template) with functional heading styles, modify them to suit, then rename them something new. In other words, do not overwrite the built-in header names with your new formatting, but create new header names for your modified headers. After spending hours trying to get headers where I want them, only to get the black boxes of death, this preventive action is the best I can offer.

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