As you prepare for your next job interview or promotion, there are three Excel formulas that you must know if you want to impress your interviewer. These three Excel formulas are simple to learn, easy to implement into almost any project, and sure to impress your prospective boss. In addition, these formulas are great time-savers and will make your job easier, wherever you end up!

## 1. VLOOKUP

This is one of the most crucial Excel formulas to learn, yet it is also one that a lot of people have trouble mastering. So, if you can master this formula, it’s a good way to showcase your Excel skills. Once you know how to use it, you’ll also find that VLOOKUP has a broad range of uses and numerous applications. Knowing how to use the VLOOKUP formula is a foundational Excel skill that will open many doors for you.

## 2. SUMIF/COUNTIF

Technically, SUMIF and COUNTIF are two different Excel formulas, but their structure and function is similar. Rather than doing a simple add or count, these two functions allow you to apply conditions to your formula. So, if you have a column of data, and you only want to add or count lines that meet a particular set of criteria, you can use these two functions to accomplish that. Aside from showing your future boss that you know how to use Excel, demonstrating an understanding of these two Excel formulas shows that you know how to use Excel efficiently. These two formulas allow you to integrate a conditional (if) statement and an addition command into one formula, turning what would normally be a two-step process into a one-step process. This saves you time and allows you to work more efficiently. If you know how to use these Excel formulas (and others like) them, you will demonstrate that you are a *smart* Excel user.

## 3. IF/AND/OR

Again, this is not technically “one” Excel formula, but the use and function of these three formulas is very similar. IF, AND, and OR form the basis of conditional statements in Excel. These three formulas allow you to evaluate data and other formulas against a set of given criteria. They allow you segregate your data and to pull out and evaluate only that data which you really need. If you know how to use these three Excel formulas, you can build extensive logic trees and other complicated formula strings. If you can demonstrate to a future boss that you can use these three formulas proficiently and creatively, you will be sure to impress.

## Learn More Than Just How to Use Excel Formulas

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