When looking at other people's VBA code in books or on the internet we often see the Dim statement being used to declare variables.

It is possible to write valid VBA code without declaring variables, so why bother?

This blog discusses the advantages and disadvantages of declaring variables in VBA.

When using the VLOOKUP formula in Excel, sometimes you may end up with the ugly #N/A error. This happens when your formula can not find the lookup value.

In this tutorial, I will show you different ways to use IFERROR with VLOOKUP to handle these #N/A errors cropping up in your worksheet.

Using the combination of IFERROR with VLOOKUP allows you to show something meaningful in place of the #N/A error (or any other error for that matter).

The IF function is one of the most used functions in Excel. In my opinion, it is the foundation of all programming and Excel's formulae mastery.

However, it is also one of the most misused functions, especially nested IF. Especially now with Excel 2007 and beyond, you can nest up to 64 IF functions to form complex, slow and hard-to-understand IF THEN ELSE statement.

You don't need to slow or complicate your worksheet anymore, this article describes 7 alternatives to using nested IF functions.

A recent update to Excel allows you to set the default PivotTable layout.

Now, when you're building complex reports or performing one-off analyses, you can quickly get started with your favorite PivotTable layout. This feature is available for Excel 2016 on Windows as part of an Office 365 subscription.

The performance of OLAP PivotTables has also been improved.

In Excel (2013 or above version), whenever you select some data from a range of cells you get a small icon on the bottom right hand corner - it is called QUICK ANALYSIS.

I want to inspire you to use this tool, and for this I have listed 5+1 amazing things which you can do with the quick analysis option and which will save you a lot of time!

Some of the tasks that you can accomplish with the Quick Analysis tool are:

• Add running total.
• Create a Pivot Table.
• Recommended charts.
• Percentage share.
• Insert a sparkline.
• Highlight greater than values.

PivotTables in Excel are pretty awesome. In just a few clicks, you can build a detailed report that gives you quick and important insights into your data.

If you polish your PivotTables in the right way, your data and associated reports will be so much more valuable to your friends, colleagues or your manager.

In this post you'll get a wide range of tips to improve your PivotTables, including various shortcuts and hints that may have never heard about:

• Refresh your data source (to ensure your report is correct).
• Disable AutoFit Column Widths.
• Sort your data to answer the real questions.
• How should blank cells be presented?
• Change Subtotal options.
• Group dates together (by Week, Month, Quarter, Year…).
• Show values as a percentage or rank.
• Apply a Style to your PivotTable to align with your branding.
• Support your PivotTable with a PivotChart.
• Analyse relevant data in detail by double-clicking a cell.
• Add Slicers to enable quick filtering.

Excel has built-in tools that are very useful for troubleshooting formulas, even if the formulas are complex:

• Trace Precedents.
• Evaluate Formula.

The Evaluate Formula window and the tracer arrows are great tools that can be used to help you find the reason for an error.

You can give your worksheets form-like functionality without ever having to use VBA. In order to achieve this, you will have to use form controls.

Using formulas in combination with form controls, one can further extend the form control functionality and form-like appearance of the worksheet at hand.

This article uses a few simple examples to illustrate how to use form controls in Excel.