Microsoft will retire Excel's COPILOT() function on September 14, barely a year after its preview debut. Introduced in August 2025, initially for Beta Channel users with a Microsoft 365 Copilot ...
[Summary]・Age calculation (including DATEDIF) may produce errors when leap years are involved. Example: For someone born on 3/1 in a common year, the age is incremented on 2/28 instead of 2/29 in a ...
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