Did you read my post in the thread in the first link you posted? It includes a macro to apply such formatting to numbers in a selected table.

Answer from Paul Edstein on learn.microsoft.com
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Reddit
reddit.com › r/microsoftword › how can i insert commas between each number and put it into one row without individually doing it for all 200 data points? (like the example)
r/MicrosoftWord on Reddit: How can I insert commas between each number and put it into one row without individually doing it for all 200 data points? (Like the example)
January 19, 2017 - Select all of the numbers. Press Ctrl+H (for find & replace). Click More (button on bottom left). With your cursor in the Find what field, select Special > Paragraph mark. Move the cursor to the Replace with field and enter a comma. Click Replace all. Hope this helps. ... Thanks heaps for the help. Got the job done! ... Why does my word doc look weird?
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PC Review
pcreview.co.uk › newsgroups › microsoft word › microsoft word document management
In Word, how can I automatically insert a comma between numbers? | PC Review
February 2, 2006 - Is there any way to format with ... some other way that I don't know about, such as automatically invoking a macro? ... ALT + 044 should give you a comma....
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YouTube
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How to insert comma in numbers in word
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1 of 2
1

Using a format such as \#'##0 to get 19000 to appear as 19'000 suggests that you want the ' to be used as a "thousands separator character". But that can only work if ' is set to be the "digit grouping symbol" in the Regional settings in Windows Control Panel (I'm assuming you're using Windows Word here). That is the default setting for German (Swiss), for example. If you have that setting, then there should be no error, but 19000 will appear as 19'000 and 19000000 will appear as 19'000'000.

If you want ' to appear as a thousands separator when ' is not set as the digit grouping symbol, things are more complicated. First, the normal Unicode U+0027 APOSTROPHE character, and many of the other "single quotation" characters, always have to be inserted in pairs. But if your font has Unicode U+02C8 MODIFIED LETTER VERTICAL LINE (ˈ), you may be able to use that. But then \#ˈ##0 would give you ˈ19000, not 19ˈ000. Further, the ˈ character would always appear, even if you wanted to format "19". ANd it would not replicate every 3 characters.

To deal with that, you would have to use a format string that varied depending on the length of the number that you wanted to format. e.g. if the number was 123, you might use \#0. If it was 1234, you might use \#0ˈ000. If it was 1234567, \#0ˈ000ˈ000, and so on. That can be done, but it isn't simple, probably tricky enough that you might want to find another approach. One reason why it isn't simple is that the result is not numeric, so things will probably go wrong if you try to use the result of the field in another calculation.

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0

Please try these steps:

Method 1:

  1. Open your document.

  2. Click inside the document where you want to insert.

  3. Press the "Ctrl" key and a punctuation key at the same time. It will give grave accent, apostrophe, caret, colon or tilde. The key symbols resemble the accent symbols. For example, press the "Ctrl" key and the apostrophe key to insert an acute accent symbol. Press the "Ctrl" key and the caret key to insert a circumflex symbol.

  4. Press the letter key. The accented character appears.

Method 2:

  1. Open Word.

  2. Select the Insert tab on the Ribbon or click Insert in the Menu bar.

  3. From the dropdown select Symbol option.

  4. You may choose from the limited selection of symbols that appear or click More Symbols.

  5. Select symbol and click on Insert.

Method 3:

  1. Click on Microsoft Office Button, then Word Options.

  2. Click Proofing.

  3. Next AutoCorrect Options.

  4. Click the AutoFormat As You Type tab.

  5. Select or clear the check boxes for the options that you want to enable or disable.

To know what each option do, please visit this site and click on Office.

Hope it helps.

Thank you.

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ExtendOffice
extendoffice.com › documents › word › how to add thousand separators to numbers in word document?
How to add thousand separators to numbers in Word document?
Kutools for Word helps you handle ... adding thousand separators to all numbers in the entire document, do not select any data, and click Kutools > Insert > Add Thousand Separator....
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Pinterest
pinterest.com › explore
How to insert comma in numbers in word in 2023
September 11, 2023 - Assalamu Walaikum Friends Welcome to our YouTube channel.In this video I will show you: How to insert comma in numbers in wordIf you like this video, please ...
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YouTube
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How to put comma in numbers in word - YouTube
Assalamualaikum,In today’s video, I’ll guide you on How to put comma in numbers in word. Let’s begin!I hope you found this video helpful. Don’t forget to sub...
Published   August 19, 2025
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UiPath Community
forum.uipath.com › help › activities
"Comma separator in numeric value" transfer from MS excel to MS word document - Activities - UiPath Community Forum
August 1, 2021 - Dear All, I want to transfer “comma separator in numeric value” (Example: 2,450,500)from MS excel cell to MS word. Actually i am creating multiple word file from an excel database using “Replace text” activity. but whenever i replace a text like “link price” by a numeric value (Ex: 2,450,500) from an excel cell, this comma separator vanishes, remains only 2450500.
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ExtendOffice
extendoffice.com › documents › word › how to add comma in the end of each line in word document?
How to add comma in the end of each line in Word document?
On the "Kutools" tab, select "Batch Replacement". In the "Batch Find and Replace" dialog box, do the following: Click "Add Row" to insert a rule row. In the "Find" field, type "^p" (indicating the end of a line), and in the "Replace" field, type ",^p" (to add a comma at the end of each line).
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1 of 7
7

It's a style guide thing in my op, but if you're writing out numerals that large in a block paragraph, I would recommend using the commas for readability purposes - a string of text numerals is hard to parse - and it also sounds better (I'm relatively sure most people insert pauses between logical digit groupings).

I'll admit to influence being ex APS (Australian Public Service), but we do tend to do a lot of writing and our style guidelines have been hammered out specifically with a view to making sure that the relevant information gets to the eyes of the target reader, in a form with the lowest chance of it being mangled.

Paraphrasing our guide (specific reference below) and personal experience, three other suggestions:

  • If you can, place the numeric form after the string. The numbers are much easier to scan for in text, and give a quicker indication of 'sizeness'.

    five million, two hundred and fifty thousand, four hundred and twenty-two (5 250 422)

  • I'd also suggest retaining the and within digit blocks. In my op, it's more natural but also binds the numerals together indicating who belongs to which group.

    four hundred and twenty-two

    not

    four hundred twenty two

  • Finally, hyphenate between the tens and ones of a group of digits, again for readability.

    two million, fifty-four thousand, nine hundred and ninety-nine.

    not

    two million, fifty four thousand, nine hundred and ninety nine.

I thought it was a bit silly when first having to internalise the style guide, but after a while it starts to make sense, for example in a straight side-by-side:

Five million six hundred twenty nine thousand two hundred ninety six

Five million, six hundred and twenty-nine thousand, two hundred and ninety-six (5 629 296)

Of course, your internal guides (or the prevailing style in your area, I have a funny feeling AmE might drop the internal ands for instance) will have their own suggestions, and consistency is king with something like this.

Source: Old habits from a stint in the Australian Public Service as a policy officer, and the Style Manual (6th ed), pg 176. (ISBN 978-0-7016-3648-7)

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I think this is a question of readability. From my own experience the use of commas and the breaking up of the numbers into groups of three is optional, however in some ways has become a convention. When converting this into text, the same would apply. In most cases, spelling the number with the same commas as used when in numerical form facilitates readability. The only case where this may become confusing is if you were listing large numbers in a sentence, in which case leave them out.

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Proofed
proofed.com › home › punctuation tips: using commas in numbers
Punctuation Tips: Using Commas in Numbers | Proofed's Writing Tips
August 27, 2021 - In English, you can use commas in numbers of four digits or longer (i.e., numbers above 999) after every third digit from the right. These “thousands separators” make it easier to read long numbers since we can see where the different groups ...
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Apple Community
discussions.apple.com › thread › 252522743
Numbers: How to append a comma to each wo… - Apple Community
Fort he example below, the list of words is in column B. ... Click on any cell in the column containing the list. Press option-right arrow to insert a new column(C in the example to right of the iriginal) to the right of that column. Enter the formula shown below the table in C1, and fill down to the cell to the right of the end of the list. Select and Copy all cells now displaying a comma at the end of the word.
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Stack Overflow
stackoverflow.com › questions › 75877432 › ms-word-field-code-formatting-point-to-comma
MS Word \# field code formatting, point to comma - Stack Overflow
The "field code language" does not let you specify different decimal point and thousands separator characters from the ones defined in Windows/MacOS, and it uses the same character to detect and format those things. StackOverFlow has probably removed your backslash character, but if that is there, I think you would only get a syntax error if comma "," is your decimal point character, so I'm a bit confused about which way around things are on your system. If comma "," is actually the 1000s separator comma, it doesn't matter where you put it in the format string, it will format 000s anyway.
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ProWritingAid
prowritingaid.com › how-to-add-commas-to-numbers
How to Add Commas to Numbers for Clarity
October 13, 2022 - A comma is placed every third digit to the left of the decimal point and so is used in numbers with four or more digits. Continue to place a comma after every third digit.
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Microsoft Support
support.microsoft.com › en-us › office › show-or-hide-the-thousands-separator-b9f8aee0-ef50-42e5-8fd7-6e3ab1493876
Show or hide the thousands separator - Microsoft Support
On the Number tab, in the Category list, click Number. To display or hide the thousands separator, select or clear the Use 1000 Separator (,) check box. Tip: To quickly display the thousands separator, you can click Comma Style