How to Display Numbers with Commas Correctly in Excel
Question details
The user needs to format large numerical values using standard Western thousands separators (e.g., 1,000,000) instead of regional digit-grouping systems (e.g., 10,00,000).

- Product
- Excel
- Device & OS
- not provided
- Scenario
- Formatting a spreadsheet containing large numerical data to ensure readability and compliance with standard financial or numerical reporting styles.
- Observed behavior
- Numbers display with incorrect regional grouping (like Lakhs and Crores) resulting in 10,00,000 instead of the standard 1,000,000 format.
Ensure that the cells you want to format actually contain numerical data and not text, as custom number formatting rules will only apply to recognized numbers.
Apply Custom Number Formatting
Directly change how numbers are displayed in selected cells without altering your global system settings.
Applying a custom number format is the safest and quickest method. It affects only the specific cells you choose, ensuring that your system-wide regional settings remain untouched for other applications.
Highlight the cell or range of cells containing the numbers you want to format.
Press the Ctrl + 1 shortcut on your keyboard, or right-click the selected cells and choose 'Format Cells'.
Navigate to the 'Number' tab, select 'Custom' from the Category list, and enter #,##0 in the Type box. If you also need two decimal places, enter #,##0.00 instead, then click OK.

Override System Separators in Excel Options
Use this method if your operating system uses a different digit grouping system and you want to change it exclusively for all Excel workbooks.
Modify System-Wide Regional Settings
Changes the default digit grouping for all applications on your computer, resolving the issue globally.
Easily Format Numbers with Commas in WPS Spreadsheet
WPS Spreadsheet offers a highly compatible and user-friendly interface to quickly apply custom number formats, ensuring your data is easily readable and perfectly formatted without complex settings.
- 1. Select your data: Highlight the numbers in your WPS Spreadsheet that need comma formatting.
- 2. Open Format Cells: Right-click the highlighted area and choose 'Format Cells', or simply press Ctrl+1.
- 3. Apply Custom Format: Go to 'Custom', type #,##0 (or #,##0.00 for decimals), and click OK to instantly apply standard digit grouping.

Frequently Asked Questions
Why is Excel displaying 10,00,000 instead of 1,000,000?
This happens when your computer's regional settings are configured to use a specific numbering system, such as the South Asian system (Lakhs and Crores). Changing your Windows region or unchecking 'Use system separators' in Excel Options will fix this behavior.
Can I apply the comma format to a whole column automatically?
Yes. Click the column letter at the top of the sheet to select the entire column, then press Ctrl+1 to open the Format Cells dialog. Apply your custom number format (#,##0). Any new numbers you enter in that column will automatically display with commas.
Why does the comma formatting not work on my numbers?
Your numbers might be stored as text. Number formatting only applies to actual numerical values. To fix this, select the cells, look for a small warning icon, and choose 'Convert to Number', or use the 'Text to Columns' feature to convert them.




