Formula for comparing data sets to find whats missing

Will you please attach a sample Excel workbook? We are not able to work with or manipulate a picture of one and nobody wants to have to recreate your data from scratch.

1. Make sure that your sample data are REPRESENTATIVE of your real data. The use of unrepresentative data is very frustrating and can lead to long delays in reaching a solution.

2. Make sure that your desired results are also shown (mock up the results manually).

3. Make sure that all confidential data is removed or replaced with dummy data first (e.g. names, addresses, E-mails, etc.).

4. Try to avoid using merged cells as they cause lots of problems.

Unfortunately the attachment icon doesn't work at the moment, so to attach an Excel file you have to do the following: just before posting, scroll down to Go Advanced and then scroll down to Manage Attachments. Now follow the instructions at the top of that screen.

Please pay particular attention to point 2 (above): without an idea of your intended outcomes, it is often very difficult to offer appropriate advice.

I have put the two lists into one excel document.

What I would like is to find out what values have changed from Jan18 column J.

This proposed solution applies conditional formatting to the Jan sheet, columns A:E using:

Formula:

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The corresponding formula on the Feb sheet is:

Formula:

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Note: column F on both sheets isn't necessary. It was set up for testing and is left so that you can get an idea about how the formula works.
Let us know if you have any questions.