Hi MPhillips, My name is Umar and I'd be happy to help you out with your question.
Please note: This is a user-to-user community forum. We are users just like you who help others. We are not employees of Microsoft.
In the new version of Teams, you can still apply strikethrough formatting in Excel using the following keyboard shortcuts:
Windows: To apply strikethrough to a cell, press Ctrl + 5. To remove strikethrough, use the same shortcut again.
Mac: For Mac users, the keyboard shortcut for strikethrough is Cmd + Shift + X. Again, this works as a toggle, so using it once applies strikethrough, and using it again removes it.
Remember that these shortcuts allow you to quickly format text within Excel cells, even when working in Teams. Happy spreadsheet editing!
I hope this information is helpful. Please let me know if you have any other questions.
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Best Regards, Umar Majeed