number sign (\#) - Microsoft Style Guide

Don't use pound sign. Don't use the # symbol preceding a numeral. Spell out number instead. For example, use number 7, not #7. When space ... Skiptomaincontent Thisbrowserisnolongersupported. UpgradetoMicrosoftEdgetotakeadvantageofthelatestfeatures,securityupdates,andtechnicalsupport. DownloadMicrosoftEdge MoreinfoaboutInternetExplorerandMicrosoftEdge Tableofcontents Exitfocusmode ReadinEnglish Save Tableofcontents ReadinEnglish Save Feedback Edit Print Twitter LinkedIn Facebook Email Tableofcontents numbersign(#) Article 06/24/2022 2minutestoread 6contributors Inthisarticle Alwaysspelloutnumberinnumbersign.Don'tusepoundsign. Don'tusethe#symbolprecedinganumeral.Spelloutnumberinstead.Forexample,usenumber7,not#7.Whenspaceislimited,asintables,it'sOKtoabbreviatenumberasNo. GlobaltipTheabbreviationNo.isn'tusedtoabbreviatenumberinotherlanguages,sousingNo.forthispurposemightleadtomistranslationinmachine-translatedcontent. Insocialmedia,it'sOKtousethe#symboltoindicateahashtag.Don'tusenumbersigntorefertothehashtag. Example (onTwitter)Aquicklookattopconversationsand#Office365productannouncementsoftheweek. It'sOKtousethe#symbolinreferencestothe#keyonthekeyboard. SeealsoKeysandkeyboardshortcutstermcollection Feedback Submitandviewfeedbackfor Thispage Viewallpagefeedback Inthisarticle