Excel only maintains 15 digits of precision for numbers. Everything else gets truncated. This truncation is done at import so it is unrecoverable. This burne

Excel only maintains 15 digits of precision for numbers. Everything else gets truncated. This truncation is done at import so it is unrecoverable. This burned me frequently when I was generating tax audit reports for accounting. The billing system IDs were all BIGINTs but had over 20 digits.