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Excel: Good & Bad Habits

Updated: Apr 20, 2023


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Excel is popular because it is a powerful and versatile tool for organising, analysing, and manipulating data. It offers a wide range of features, including formulas, charts, and pivot tables, that make it easy to work with large amounts of data and gain insights from it.


Additionally, Excel is widely used in many industries and is supported by many other software programs, making it a popular choice for businesses and organisations. Its wide availability and easy access make it a popular tool for the general public as well.

Excel must be used carefully because it can easily lead to errors and inaccuracies in data if not used properly.

Excel Bad Habits

Some of the inherent spreadsheet dangers include:


  • Human Error Excel relies on manual input, and mistakes can easily be made when entering data, such as transposing numbers or using incorrect formulas.

  • Lack of Data Validation Excel doesn't have built-in data validation, which means that it doesn't check for errors or inconsistencies in data as it's entered.

  • Limited Data Integrity Excel doesn't have the same level of data integrity as a database, so it's easier for data to become inconsistent or for errors to go undetected.

  • Limited Auditing Excel doesn't have built-in auditing features, which means that it can be difficult to track changes or identify who made them.

  • Limited Data Security Excel files can be easily shared and edited by multiple users, which can lead to data breaches or unauthorised access to sensitive information.

Excel is a powerful tool, but when used incorrectly or carelessly can lead to serious consequences. (see our article regarding the UK's NHS Excel disaster)

Excel Good Habits

Here are our 20 recommended habits and guidelines for excel spreadsheet design and development:


  1. Keep it Simple Avoid overcomplicating the spreadsheet with unnecessary data, functions, and formatting. Keep in mind the purpose of the spreadsheet and only include what is necessary to achieve that purpose.

  2. Organise Data Use clear and consistent formatting to make it easy to understand the data. Organise data in a logical manner, such as grouping related data together, and use meaningful headings and labels to identify data.

  3. Use Clear Data Validation Use data validation to ensure that the data entered into the spreadsheet is accurate and consistent. This can include setting up drop-down lists, data type validation, and range validation.

  4. Properly Reference Cells Use proper referencing techniques to ensure that formulas and functions are referring to the correct cells and ranges. Avoid using hard-coded cell references, instead use named ranges or variables.

  5. Use Appropriate Functions and Formulas Use the appropriate functions and formulas for the task, and use them correctly. Test them before using them in the final spreadsheet.

  6. Use Proper Data Types Use the correct data type for each piece of data, such as using a date type for dates and a number type for numbers. This will make it easier to perform calculations and analysis.

  7. Protect the Spreadsheet Use features such as password protection, data validation, and data validation to prevent accidental or intentional changes to the spreadsheet.

  8. Test the Spreadsheet Test the spreadsheet thoroughly before using it to ensure that it is accurate and free of errors.

  9. Have a Backup Keep a backup of the spreadsheet in case of errors or other issues.

  10. Document and Comment Document the logic and calculations in the spreadsheet and add comments to explain the purpose and usage of each part of the spreadsheet. This will make it easier for others to understand and use the spreadsheet.

  11. Use Conditional Formatting Use conditional formatting to highlight important information and make it easier to understand the data.

  12. Use Charts and Graphs Use charts and graphs to visualise data and make it easier to understand and analyse.

  13. Follow Standards and Guidelines Follow industry-standard guidelines for spreadsheet design and development to ensure that the spreadsheet is clear, accurate, and easy to use.

  14. Use Templates Utilise templates to create a consistent look and feel throughout your spreadsheets, this will improve the efficiency and maintainability of your work.

  15. Use Keyboard Shortcuts To improve the efficiency and productivity of your work, use keyboard shortcuts to navigate and perform actions in Excel.

  16. Use Named Ranges Use named ranges to make it easier to refer to specific cells, ranges, or data in formulas, functions, and macros.

  17. Use Form Controls Use form controls to create interactive spreadsheets and make it easy for users to input and analyse data.

  18. Use Data Tables Use data tables to create dynamic ranges of data that automatically update when data is added or removed.

  19. Use PivotTables Use PivotTables to summarise and analyse large amounts of data and to create powerful, dynamic reports.

  20. Use Macros Use macros to automate repetitive tasks and to improve the efficiency and productivity of your work.

By following these best practices, you can ensure that your Excel data is accurate, organised, and secure, and that you're using the tool to its full potential.

 

Comdex Training News & Blogs 2023

 


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