Suppose person A writes a letter to someone. I think the standard way for A to
sign it off would be 「Aより」.

Would it still be correct if I replaced より with から? Is there any difference in
formality and context when it comes to choosing between から and より to mean
"from"?
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2019-07-01T08:56:34.673
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2019-07-01T08:56:34.673
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より vs から to mean "from"