You can make changes to a particular array element without changing the other elements.Īt the same time, and as explained in Mastering VBA for Microsoft Office 2016, you can work with the whole array (all of its elements) at once.Therefore, each array element has a unique identifying index number. The variables that compose an array are sequentially indexed.The group of variables that make up an array have (i) the same name, and (ii) the same data type.For purposes of Visual Basic for Applications an array is, basically, a group of variables.These main characteristics of a VBA array are: These 2 definitions provide a good idea of the basic characteristics of a VBA array that you need to understand for purposes of this tutorial. In Excel VBA Programming For Dummies, Excel guru John Walkenbach provides a broader definition of array by stating that:Īn array is a group of variables that share a name. Changes made to one element of an array don't affect the other elements. Each element of an array has a unique identifying index number. You can get immediate free access to this example workbook by subscribing to the Power Spreadsheets Newsletter.Įven though I've already provided a basic description of arrays in the introduction above, let's start by diving deeper into the topic of… What Is An Excel VBA ArrayĪccording to the Microsoft Dev Center, an array is:Ī set of sequentially indexed elements having the same intrinsic data type. This Excel VBA Array Tutorial is accompanied by an Excel workbook containing the data and macros I use in the examples below. Books Referenced In This Excel Tutorial.How To Erase The Data In An Array (Or The Array Itself).How To Refer To An Element In a Multidimensional Array.How To Refer To An Element In A One-Dimensional Array.Lower Array Bounds And The Option Base Statement.How To Declare And ReDim A Dynamic Excel VBA Array.How To Declare A Fixed Multidimensional Excel VBA Array.How To Declare A Fixed One-Dimensional Excel VBA Array.One-Dimensional And Multidimensional VBA Arrays.Array Size, Data Types And Memory Requirements.Please feel free to use it to easily navigate to the topic of your interest. The following table of contents lists the main sections of this blog post. My purpose with this VBA tutorial is to provide you with a comprehensive and detailed introduction to the topic of Excel VBA arrays that allows you to start using arrays now. In Mastering VBA for Microsoft Office 2016, Mansfield describes arrays as “kind of super variable” or “variable on steroids”. Allow you to increase the speed of your VBA applications.Īn indication of the power of VBA arrays is provided by author Richard Mansfield.Can make your code more readable and easier to maintain.Help you ease the process of getting information from data.Allow you to group related data and, more generally, make data manipulation easier. ![]() ![]() You should learn to work with Excel VBA arrays because, among other benefits (as listed in Excel 2016 VBA and Macros), they: You might be wondering why should you bother learning about Excel VBA arrays if you already have a good knowledge of regular variables. Arrays have, however, certain special characteristics and features that differ from those regular variables. Therefore, working with VBA arrays is (to a certain extent) very similar to working with regular variables. You'll be glad to know that, if you already have a basic knowledge of variables and data types (I cover these topics in the blog posts I link to above), you already have a good base knowledge that will help you understand and master the topic of arrays.Īfter all, arrays are (in the end) variables. In this VBA tutorial, I focus on a topic that is closely related to the above: Excel VBA Data Types: The Complete Guide.Declare Variables In VBA For Excel: The How-To Guide.I've written detailed and comprehensive tutorials about several of these topics, including the following 2: If you've been working with (or learning) Visual Basic for Applications, you're probably aware of the importance of having a solid knowledge of certain topics that influence data storage and manipulation.
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