Module 33: Insert Serial Number Automatically

33.1 Insert Serial Number Automatically You can use Excel to automatically assign serial numbers when creating a new field in Excel. This is done by using a combination of the IF and ISBLANK functions. First off, use an ISBLANK formula to establish whether a cell is empty and then an IF formula to automatically create a serial number for that field if it is. This formula will always use the data in the cell above, with an addition of one, to create a new serial number. This way you w...

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