You've gotten answers on how to do it.

But don't do it.

Use two cells. If you ever want to do anything with that data (sort/filter/or
even do arithmetic), you'll find that it wasn't worth the trouble.

M. Wasim wrote:

How can I write two values vertically in an excel cell or split a cell to
write two different values vertically. I'll appreciate if anybody can help me.

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Dave Peterson