| Microsoft ExcelSpreadsheets | Ctrl + 5 | Cmd + Shift + X | Ribbon > Home > Strikethrough icon | Works on single cells, selected ranges, or partial text inside the formula bar. |
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| Google SheetsSpreadsheets | Alt + Shift + 5 | Cmd + Shift + X | Format > Text > Strikethrough | Toggles strikethrough on selected rows, columns, or cell contents. |
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| Microsoft WordDocuments | Alt, H, 4 (or Ctrl + D > Alt + K) | Cmd + Shift + X | Home Tab > Font > ab Strikethrough button | Word Windows uses Ribbon key tips (Alt then H then 4) or the Font dialog. |
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| Google DocsDocuments | Alt + Shift + 5 | Cmd + Shift + X | Format > Text > Strikethrough | One of the most uniform shortcuts across Chromebooks and Mac computers. |
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| DiscordChat | ~~text~~ | ~~text~~ | ~~text~~ (wrap with two tildes) | Type two tildes before and after words. Works across Windows, Mac, iOS, Android. |
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| SlackChat | Ctrl + Shift + X (or ~text~) | Cmd + Shift + X (or ~text~) | ~text~ (wrap with one tilde) | Supports both standard keyboard shortcuts and inline markdown tildes. |
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| WhatsAppChat | ~text~ | ~text~ | ~text~ (or select text > More > Strikethrough) | Wrap words in a single tilde (~). On iPhone/Android, highlight text to see format options. |
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| NotionDesign & Notes | Ctrl + Shift + S | Cmd + Shift + S | ~text~ or markdown | Highlights selected text or block and toggles cross-out formatting. |
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| Apple Pages / KeynoteDocuments | N/A | Cmd + Shift + X | Format inspector > Font > Advanced > Strikethrough | Standard across native Apple productivity applications. |
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| Microsoft OutlookDocuments | Alt, H, 4 (or Ctrl + D > Alt + K) | Cmd + Shift + X | Format Text > Font > Strikethrough icon | Applies to email drafts. In web outlook, use the toolbar strike button. |
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