How to increment numbers when value changes in another column?
Supposing, you have a list of values in column A, and now you want to increment number by 1 in column B when the value in column A changes, which means the numbers in column B increment until the value in column A changes, then the number increment starts from 1 again as left screenshot shown. In Excel, you can solve this job with following method.
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i need to increment number using the duplicate criteria, means if the criteria changes the Main Serial Number and Sub Serial Number should change, for example