Optimizing VBA Code

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This content is no longer actively maintained. It is provided as is, for anyone who may still be using these technologies, with no warranties or claims of accuracy with regard to the most recent product version or service release.

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.