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Excel cell format problem


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#1
familyhistory

familyhistory

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:tazz: I have a spread sheet where the first column is credit card numbers--all sixteen digit number. I enter the number, but Excel automatically changes the last digit in the card number to zero, no matter what I do. This is not good in credit card numbers... ;)

I have formatted the cells as numbers with 0 decimals, which it does, but it changes the last digit. I have changed the width of the cell, and tried everything I can think of. What is happening?

Can anyone help me?

Edited by familyhistory, 25 June 2005 - 09:39 PM.

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#2
Octagonal

Octagonal

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Excel stores numbers greater than 15 digits in two pieces, a number and an exponent.

Read this link to view a workaround.

HTH
"O"
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