Optimizing VBA Code

There are many tips for optimizing your Microsoft® Visual Basic® for Applications (VBA) code, such as streamlining your code to conserve memory resources, creating object variables when you must refer to an object more than once within a procedure, minimizing concatenation operations, and so on.

In This Section

  • Declaring Variables
    Streamline your memory requirements and speed up performance when you are using variables.
  • Mathematical Operations
    Learn how to speed up operations on numbers.
  • String Operations
    Understand how to enhance the performance of string operations.
  • Loops
    Determine how to save resources when you are executing loops.
  • Getting the Most Out of Visual Basic for Applications
    Write code that is fast, efficient, easy to read and maintain, and, if possible, reusable by acquiring a solid working knowledge of Microsoft® Visual Basic® for Applications (VBA) — what features the language includes and what you can do with it.
  • Working with Strings
    Understand how to get information from strings.
  • Working with Numbers
    Learn how to use numeric values and data types in Microsoft® Visual Basic® for Applications (VBA).
  • Working with Dates and Times
    Manipulate date values in Microsoft® Visual Basic® for Applications (VBA), and understand how VBA stores date values internally.
  • Working with Files
    Understand the Scripting Runtime object library, and work with drives, folders, and files as objects.
  • Understanding Arrays
    Use arrays when you must store a number of values of the same type, but you do not want to create individual variables to store them all.
  • Tips for Defining Procedures in VBA
    Define a Function or Sub procedure, and use the options available to you to make your code more extensible or more flexible.