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Microsoft Learn
learn.microsoft.com › en-us › answers › questions › 3767518 › how-can-i-type-the-null-sign
How can I type the null sign? - Microsoft Q&A
Top answer
1 of 2
31

Another suggestion is you can also type: Alt + 0216.

Best regards,

Dan

2 of 2
8

Hi! I'm Dan! An Independent Advisor and also a Microsoft user for several years. I'll be more than happy to assist you today!

Method 1:

The ∅ symbol can be entered by going into "Symbols", choose "Mathematical Characters" and from the dropdown "Subset".

Method 2:

Type 2205 and then press "Alt + X".

I hope this information is helpful. Please keep me updated on the status of this issue. If you have any more questions, feel free to ask and I will be glad to assist you.

Standard Disclaimer: There are links to non-Microsoft websites. The pages appear to be providing accurate, safe information. Watch out for ads on the sites that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the sites before you decide to download and install it.

Best regards,

Dan

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Google Groups
groups.google.com › g › microsoft.public.word.docmanagement › c › RoU44o7OwQM
Re: How do I make a "null sign?"
... Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message ... By definition a "null sign" does not exist. There is a symbol which looks like ... ... ... which is U+2400 (press and hold Alt while you type 9216 - or ...
Videos
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PC Review
pcreview.co.uk › newsgroups › microsoft word › microsoft word document management
How do I make a "null sign?" | PC Review
March 28, 2007 - N U L ... which is U+2400 (press and hold Alt while you type 9216 - or in recent versions of Word type 2400 and press Alt+X) ... Hi Tony, The NUL character is from a completely different field, telecommunications (along with characters such ...
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WordBanter
wordbanter.com › showthread.php
How to insert the "Null SYMBOL" - Microsoft Office Word Forum - WordBanter
How to insert the "Null SYMBOL" Microsoft Word Help
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Wikipedia
en.wikipedia.org › wiki › Null_symbol
Null symbol - Wikipedia
June 28, 2025 - Look up null or ␀ in Wiktionary, the free dictionary.
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YouTube
youtube.com › watch
How to type empty set or null set symbol in word - Shortcuts and Alt codes for empty set symbol - YouTube
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4 ways to make an empty ty set symbol in Microsoft word:1. Keyboard Short keys2. Alt Code3. Symbol Library4. Copy and Paste
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YouTube
youtube.com › vishap tvplus
How to type Empty Set symbol in Word - YouTube
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https://www.youtube.com/channel/UCmV5uZQcAXUW7s4j7rM0POg?sub_confirmation=1 How to type Empty Set symbol in Word
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YouTube
youtube.com › dịch thuật á đông
How to insert null hypothesis symbol in Word - YouTube
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How to insert null hypothesis symbol in WordHow to insert null hypothesis symbol in WordIn this video, I will show you how to insert null hypothesis symbol i...
Published   July 11, 2024
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eHow
ehow.co.uk › how_8688158_insert-hypothesis-symbol-microsoft-word.html
How to Insert the Null Hypothesis Symbol in Microsoft Word | eHow UK
July 14, 2020 - Press and hold down the "Shift" key while typing the letter "H" to get a capital "H." Release the "Shift" key. Type the number zero (0). Make sure to type a zero and not a capital "O." Highlight the zero.
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Symbol Hippo
symbolhippo.com › home › ø | empty set symbol (meaning, how to type on keyboard, & more)
Ø | Empty Set Symbol (Meaning, How To Type on Keyboard, & More) - Symbol Hippo
January 23, 2022 - Place your cursor at the desired location. Press and hold down the Alt key. Whilst holding down the Alt key, press the Empty Set Alt Code (0216). After typing the code, release the Alt key.
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Software Accountant
softwareaccountant.com › type-empty-set-symbol-text
Ø | How to Type Empty Set Symbol Text In Word, Windows, & Mac (On Keyboard) - Software Accountant
March 3, 2024 - Simply type 2205. Then press Alt plus X simultaneously. If it doesn’t work, highlight the code before pressing the Alt and X keys simultaneously. When you press Alt + X after typing the Unicode, the symbol appears in place of the Unicode.
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How to Type Anything
howtotypeanything.com › type-empty-set-symbol
Ø | How to Type Empty Set Symbol on Keyboard - How to Type Anything
April 27, 2021 - For Windows users, press down the Alt key and type 0216 using the numeric keypad, then release the Alt key. These shortcuts work in both Microsoft Word, Excel, and PowerPoint and anywhere on the Windows or Mac PC.
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Techwalla
techwalla.com › tech support › how to
How to Insert the Null Hypothesis Symbol in Microsoft Word | Techwalla
July 4, 2011 - To type the null hypothesis symbol, type the letter "H" and then click the subscript icon in the Font section of the Home tab.
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Brothersoft
ask.brothersoft.com › how-to-insert-the-null-hypothesis-symbol-in-microsoft-word-203871.html
How to Insert the Null Hypothesis Symbol in Microsoft Word - PDF to Word Converter Q&A
To insert the null hypothesis symbol ... and scroll to the place in the document to insert the symbol. Press and hold down the "Shift" key while typing the letter "H" to get a capital "H." Release the "Shift" key. Type the number zero (0)....
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Super User
superuser.com › questions › 565326 › how-do-i-remove-ascii-null-from-a-microsoft-word-2010-document
search - How do I remove ASCII "Null" from a Microsoft Word 2010 document? - Super User
Top answer
1 of 2
2

I've figured it out eventually.

NULL is ad in hexadecimal code (at least according to this website: http://www.string-functions.com/string-hex.aspx).

adis 173 in unicode (according to here: http://easycalculation.com/hex-converter.php).

When I search in Word for ^u173, it works like a charm.

2 of 2
0

Try holding down the ALT key, typing 255 on the number pad, and releasing the ALT key.

Update

Try this:

There is a symbol which looks like ...

N
U
L

... which is U+2400 (press and hold Alt while you type 9216 - or in recent 
versions of Word type 2400 and press Alt+X)

Taken from http://www.wordbanter.com/showthread.php?t=78318. I can confirm it worked for me, but I don't know if this is they symbol your referring to.

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Stack Overflow
stackoverflow.com › questions › 9124786 › how-to-simulate-nul-character-from-keyboard
How to simulate NUL character from keyboard? - Stack Overflow
Top answer
1 of 5
6

Ctrl+spacebar works for both Windows and Linux platforms.

2 of 5
5

See if this control character works:

Ctrl+@

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Wordssidekick
wordssidekick.com › home › how › how to use microsoft word to write a null hypothesis?
How To Write Null Hypothesis In Microsoft Word
September 21, 2025 - In Microsoft Word, to create the null hypothesis symbol, position the cursor where you want it to appear and type a capital "H." Then, use the subscript button in the "Font" group on the "Home" tab, characterized by an "x" with a subscript "2," or alternatively press "Ctrl" + "="...
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eHow
ehow.co.uk › how_8548310_insert-hypothesis-symbols-microsoft-word.html
How to Insert the Null Hypothesis & Alternate Hypothesis Symbols in Microsoft Word | eHow UK
July 14, 2020 - This button's icon looks like an "x" with a subscript "2." Alternatively, hold the "Ctrl" key and press "=". Type a "0" to create a null hypothesis symbol or "1" to create an alternative hypothesis symbol.