Office Settings & Configuration

Fix Excel for the Web Incorrect South Africa Regional Settings

Huda QurayshiHuda Qurayshi Nov 2, 2026 869 views

Question details

User needs a solution to correct the display of decimal and thousands separators in Excel for the web when the region is set to English (South Africa).

Fix Excel for the Web Incorrect South Africa Regional Settings
Product
Excel for the Web
Device & OS
not provided
Scenario
Formatting numerical data in spreadsheets online using the English (South Africa) locale settings.
Observed behavior
Excel for the web displays the decimal and thousands separators incorrectly under the South Africa regional format.
Before you start

Verify that your spreadsheet's numerical data is formatted as numbers rather than text before adjusting any regional settings.

Solution 1Recommended

Change Regional Format to English (United States)

Apply the English (US) regional format as a workaround to restore standard periods for decimals and commas for thousands separators.

This is a known behavior in Excel for the web affecting the English (South Africa) regional format. Changing the region to the United States forces the web app to use standard separators without altering your actual data values.

1
Access Regional Settings

Open your workbook in Excel for the web, click on the 'File' menu, and select 'Options'.

2
Select Regional Format

Click on 'Regional Format Settings' from the options menu to open the locale preferences.

3
Apply United States Region

Choose 'English (United States)' from the dropdown menu and apply the changes. Your spreadsheet will refresh and display the correct decimal and thousands separators.

Change Regional Format to English (United States)
Submit Feedback: To help Microsoft prioritize a permanent fix for the South Africa locale, consider reporting this regional-formatting issue through the Excel for the web feedback site.
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Frequently Asked Questions

Why does English (South Africa) use incorrect separators in Excel Web?

This is a known formatting bug specific to the web version of Excel. The online regional formatting engine currently applies incorrect rules for the South Africa locale.

Can I manually change the decimal separator in Excel for the web?

No, Excel for the web does not allow you to manually customize individual separators. It relies entirely on the selected regional format from the File options.

Does this issue affect the desktop version of Excel?

Generally, no. The desktop version of Excel pulls its regional settings directly from your Windows or macOS system control panel, which usually handles South African separators correctly.