Please Note: This article is written for users of the following Microsoft Excel versions: 2007, 2010, 2013, 2016, 2019, and Excel in Office 365. If you are using an earlier version (Excel 2003 or earlier), this tip may not work for you. For a version of this tip written specifically for earlier versions of Excel, click here: Synchronizing Lists.

Synchronizing Lists

by Allen Wyatt
(last updated October 20, 2018)

1

You may have an occasion when you have two data lists that you want to "line up." For instance, column A might be a customer account number, while column B displays the customer's account balance. In columns C and D you then paste a listing of customer payments, with column C being the customer account number and column D being the payment amount. Both lists (A/B and C/D) are sorted by customer account number.

Since not all customers with balances made payments, the A/B list is not in synch with the C/D list. To get them in synch, you need to insert blank cells where needed in columns C/D (and sometimes columns A/B) so that the customer account number in column C matches the customer account number in column A.

If your goal is to match payments to balances, then there is a relatively easy way to do this, without the need to insert cells in the lists. Follow these steps:

  1. Insert three blank columns between the two lists. When done, you should have the account balances in A/B, blank columns in C/D/E, and the payments in F/G.
  2. Assuming the first account/balance combination is in cells A2:B2, enter the following formula in cell C2:
  3.      =IF(ISNA(VLOOKUP(A2,F:G,2,FALSE)),0,VLOOKUP(A2,F:G,2,FALSE))
    
  4. Copy the formula down through the rest of column C.

This formula looks in the payments columns (F/G) for any cells that match the account number in column A. If found, then the amount of the payment is returned by the formula. If a match is not located, then a zero value is returned.

The approach works well if you know that the payment columns contain only a single payment for each account. If it is possible that some accounts received multiple payments, then you need to change the formula you use in step 2:

=SUMIF(F:F, A2,G:G )

This formula, if it finds a match, adds all the payments together and returns the sum.

Of course, the example first described in this tip is just that—an example of a more pervasive problem. You may have a need to synch lists where there is only text in the lists, or where it is more difficult to do a lookup or you don't need to return a sum. In those instances, it may be best to look for a third-party solution.

ExcelTips is your source for cost-effective Microsoft Excel training. This tip (8316) applies to Microsoft Excel 2007, 2010, 2013, 2016, 2019, and Excel in Office 365. You can find a version of this tip for the older menu interface of Excel here: Synchronizing Lists.

Author Bio

Allen Wyatt

With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. He is president of Sharon Parq Associates, a computer and publishing services company. ...

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What is 9 - 5?

2018-10-24 07:34:19

Peter Kanters

The formula in step 2 can be made easier:
=IFNA(VLOOKUP(A2,F:G,2,FALSE),0)


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