解决Excel只验证前8行字符串的长度

Check out the [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Jet\4.0\Engines\Excel] located registry REG_DWORD "TypeGuessRows". That's the key to not letting Excel use only the first 8 rows to guess the columns data type. Set this value to 0 to scan all rows. This might hurt performance.

 

I changed the value from 8 to 0

解决Excel只验证前8行字符串的长度_第1张图片

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