Build a custom Excel function library in minutes! Learn how to use VBA, create a personal macro workbook, and design a custom ribbon tab.

TL;DR Key Takeaways : The LAMBDA function in Excel allows users to create custom, reusable functions without needing VBA or external coding, simplifying complex formulas and improving clarity.

If you need to use the Excel IF function and multiple conditions, consider using the IFS function instead. This allows you to test multiple conditions in order, picking the first that returns true.

Automating the selection process isn't difficult if you rely on VBA's InputBox in Microsoft Excel.

In Excel spreadsheets, complex formulas are difficult to enter without making mistakes. Microsoft Excel’s LAMBDA() function can make such errors easier to find.

The lookup function in Excel can save you a lot of time and effort, but only if you actually know how to use its many forms and alterations.

Excel’s UNIQUE function allows users to extract unique values from a dataset, making it easier to identify and remove duplicates.

This month’s column shows how to use the remarkably versatile AGGREGATE function in Excel.