Error handling can help you create clean, reliable, and safe Excel macro code. Here are a few ways you can incorporate error handling techniques into your macros:

1. Identify Potential Error Scenarios: It’s important to think about which potential errors or bugs could occur while running a macro. Consider the data sources, formulas, and calculations used in the macro.
2. Include Comments: You should include comments in your macro code to help explain what the code is doing and make debugging easier.
3. Avoid Assumptions: Be careful not to make assumptions in your code. For example, if you need user input, don’t assume the user will enter the right type of data or the right data range.
4. Set Time and Data Limits: Set limits for the amount of time a macro can take to finish or the amount of data it can process. This will help prevent the macro from running for too long or looping endlessly on bad data.
5. Capture Error Details: Capture the error number and description of the error that occurs and use them to try to identify the source of the error.
6. Correct the Error: After debugging the code to identify the source of the error, correct the code to prevent the error from reoccurring.