IF function – nested formulas and avoiding pitfalls
Multiple IF functions can be nested together to allow for multiple criteria. The Excel IF function statement allows you to make a logical comparison between a value and what you expect by testing for a condition and returning a result if True or False.
Video: Nested IF functions - Microsoft Support
Nested IF functions, meaning one IF function inside of another, allows you to test multiple criteria and increases the number of possible outcomes. We want to determine a student's grade based on their score. If Bob's score in B2 is greater than or equal to 90, return an A.
Use nested functions in a formula - Microsoft Support
The AVERAGE and SUM functions are nested within the IF function. You can nest up to 64 levels of functions in a formula.
Using IF with AND, OR, and NOT functions in Excel
Following are examples of some common nested IF(AND()), IF(OR()) and IF(NOT()) statements in Excel. The AND and OR functions can support up to 255 individual conditions, but it’s not good practice to use more than a few because complex, nested formulas can get very difficult to build, test and maintain.
IF function - Microsoft Support
IF function - nested formulas and avoiding pitfalls. IFS function. Using IF with AND, OR and NOT functions. COUNTIF function. How to avoid broken formulas. Overview of formulas in Excel
Video: IF with AND and OR - Microsoft Support
In this example, OR is nested in the IF function and is the logical_test. If any arguments in the OR function evaluates to TRUE , IF returns the value_if_true . If all arguments in the OR function evaluate to FALSE , IF returns the value_if_false .
Video: Advanced IF functions - Microsoft Support
Training: Watch and learn how to use advanced IF functions in Excel, including nested IF functions, IF with AND, OR, COUNTIFS, and more.
IFS function - Microsoft Support
The IFS function checks whether one or more conditions are met, and returns a value that corresponds to the first TRUE condition. IFS can take the place of multiple nested IF statements, and is much easier to read with multiple conditions.
Use AND and OR to test a combination of conditions
In this formula, the first argument is the AND function and the DATE function nested inside it, the second is "Nancy." You can read the formula this way: Test to see if a sale was made after April 30, 2011 and before January 1, 2012, or was made by Nancy.
KB4163526 - FIX: A DAX query that contains SWITCH and nested IF ...
Fixes an issue in which a DAX query that contains SWITCH and nested IF statements takes more than an hour to finish in SQL Server.