How to create custom number formats

Excel provides many options for displaying numbers in different formats like percentages, currency, and dates. If the built-in formats don’t work for your needs, you might want to create a custom number format.

You can’t create custom formats in Excel Online but if you have the Excel desktop application, you can use the Open in Excel button to open the workbook and create them.

  1. Click Open in Excel.

Open in Excel button

  1. See this article on creating custom number formats in Excel.

For news about the latest Excel Online updates, visit the Microsoft Excel blog.

For the full suite of Office applications and services, try or buy it at

More on formatting numbers

Share Facebook Facebook Twitter Twitter Email Email

Was this information helpful?

Great! Any other feedback?

How can we improve it?

Thank you for your feedback!