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How to Set Comma as Default CSV Delimiter in Excel for Mac
Question details
The user needs to configure Excel for Mac on macOS Ventura to automatically use a comma as the default delimiter when opening CSV files.
- Product
- Microsoft Excel for Mac
- Device & OS
- macOS Ventura
- Scenario
- Opening or importing comma-separated values (CSV) files into a spreadsheet.
- Observed behavior
- Excel for Mac opens CSV files using Fixed Width format, failing to recognize commas as delimiters due to default macOS regional settings or import workflows.
Verify your CSV file's raw format by temporarily opening it in Apple's TextEdit app to confirm that the data is indeed separated by commas and not semicolons or tabs.
Adjust macOS Ventura Regional Settings
Change your Mac's region and number formatting settings so Excel correctly identifies commas as the default list separator.
Excel for Mac relies heavily on your system's regional settings to determine how to handle CSV delimiters. If your region defaults to a semicolon or another character, Excel will default to Fixed Width.
Click the Apple menu in the top-left corner of your screen and select 'System Settings'.
Scroll down the left sidebar, click on 'General', and then select 'Language & Region'.
Look for the 'Number format' settings. Ensure your region (like US or UK) natively uses commas for list separators. If your current region uses a different format, you may need to temporarily switch your region to one that supports comma delimiters.
Completely quit and reopen Microsoft Excel for Mac to apply the new system-wide regional settings to your CSV imports.
Use Excel's Data Import Wizard or Power Query
Instead of opening the CSV file directly, use Excel's import tools to manually specify the comma delimiter without changing system settings.
Easily Import and Format CSV Files with WPS Spreadsheet
Avoid system setting conflicts on macOS Ventura by using WPS Spreadsheet. It features an intelligent Text Import Wizard that automatically detects comma delimiters, allowing you to open and format your CSV data in seconds.
- 1. Open WPS Spreadsheet: Launch WPS Office on your Mac and select 'Spreadsheet' from the main dashboard.
- 2. Open the CSV File: Click 'Menu' > 'Open' and select your target CSV file from your Mac's storage.
- 3. Use the Text Import Wizard: The Text Import Wizard will pop up automatically. Choose 'Delimited' and click 'Next'.
- 4. Select Comma Delimiter: Check the 'Comma' box under the Delimiters section. Verify your data columns in the preview window below, then click 'Finish'.
Frequently Asked Questions
Why does Excel on Mac default to Fixed Width for my CSV files?
This happens because macOS regional settings might specify a different list separator (such as a semicolon) based on your chosen locale, causing Excel to fail at automatically recognizing commas as the intended delimiter.
Can I change the CSV delimiter in Excel without changing my Mac's system settings?
Yes. You can bypass the default macOS system settings by opening a blank Excel workbook and using the 'Data' > 'Get Data' > 'From Text/CSV' import feature to manually select 'Comma' as your delimiter.
Will changing my macOS region affect other applications on my Mac?
Yes, adjusting your regional settings (like number formats, dates, and currency) in macOS System Settings applies globally. This will affect how data is displayed in native apps like Calendar and Numbers, as well as third-party software.
