Find empty dates in a set of date ranges

The formula in cell B8, shown above, extracts dates not included in the specified date ranges, in other words, dates […]

Insert blank rows for missing values

HughMark asks:  I have 2 columns named customer (A1) and OR No. (B1). Under customer are names enumerated below them. […]

Identify missing numbers in a range

Question: How do I find missing numbers between 1-9 in a range? 1 3 4 5 6 7 8 8 […]

Identify missing three character alpha code numbers

This blog article answers a comment in this blog article: Identify missing values in two columns using excel formula Question: […]

Identify missing numbers in two columns based on a numerical range

Question: I want to find missing numbers in two ranges combined? They are not adjacent. Answer: Array formula in cell […]

Identify missing numbers in a column

The image above shows an array formula in cell D6 that extracts missing numbers i cell range B3:B7, the lower […]

Highlight missing values between to columns

The picture above shows two lists. How do I highlight values in List 1 that are not in List 2? […]

What values are missing in List 1 that exists i List 2?

Question: How to filter out data from List 1 that is missing in list 2? Answer: This formula is useful […]