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Niek Otten Niek Otten is offline
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Default Why does excel turn numbers larger than 15 digits to zero?

Excel's numerical precision is 15 decimal digits.
If you need more, like for credit card numbers, format the cell as text before entering the "number" or precede the number by an
apostrophe (which will not show)
Note that you van not calculate with these text-"numbers"

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Kind regards,

Niek Otten
Microsoft MVP - Excel

"Aaron" wrote in message ...
| When I type any number into excel that is greater than 15 digits, it turns
| all the remaining numbers to zero. For instance, if I enter 4444555566667777
| excel throws it into scientific format. When I turn it back to a number the
| number is now 4444555566667770.
|
| Any Idea why this is, and how I can make it stop?