This video displays how to Read from and Write to Arrays in Excel VBA. The key benefit of creating Array Variables is time. Array Variables are ideal when you need to quickly update large data sets in Excel. In this example there is a data set of loan records with 100,000 + rows. One of the columns in this data set is Branch location #. The objective is to update the location # for all rows where the branch number is equal to branch #4.

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