Office Settings & Configuration

How to Disable R1C1 Reference Style in Excel for Mac

Steven ParkerSteven Parker Oct 28, 2026 868 views

Question details

The user needs to change the cell reference style from R1C1 back to A1 in Excel for Mac, but the setting is missing from the General Preferences menu.

How to Disable R1C1 Reference Style in Excel for Mac
Product
Microsoft Excel for Mac
Device & OS
macOS
Scenario
Trying to revert column headers from numbers back to letters by disabling the R1C1 reference style.
Observed behavior
The option to toggle the R1C1 reference style is not visible under Excel Preferences > General, preventing the user from switching back to standard A1 references.
Before you start

Ensure you have your Excel workbook open before adjusting the preferences, as some calculation settings may require you to save and reopen the file to apply visually.

Solution 1Recommended

Disable R1C1 via Calculation Preferences

Locate the R1C1 setting in the Calculation pane of Excel's Preferences to restore standard A1 cell references.

In newer versions of Excel for Mac, the R1C1 reference style toggle has been moved from the General tab to the Calculation tab. Adjusting this setting will immediately change how your column headers and formula references are displayed.

1
Open Excel Preferences

Launch Excel on your Mac. Click on 'Excel' in the top Apple menu bar, then select 'Preferences' from the dropdown menu.

2
Access Calculation Settings

In the Excel Preferences dialog box, locate and click on the 'Calculation' icon.

3
Clear the R1C1 Option

Find the checkbox labeled 'Use R1C1 reference style' and uncheck it to revert to the standard A1 style.

4
Apply and Reopen

Click 'OK' to close the Preferences window. If the columns still show numbers instead of letters, save your work, close the workbook, and reopen it.

Disable R1C1 via Calculation Preferences
Formulas Preserved: Changing the reference style does not break your existing formulas. Excel automatically translates them to match the newly selected A1 style.
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Frequently Asked Questions

What is the difference between R1C1 and A1 reference styles?

A1 style uses letters for columns and numbers for rows (e.g., A1), which is the standard default for most spreadsheet applications. R1C1 uses numbers for both rows and columns (e.g., Row 1, Column 1 or R1C1), which is often preferred for complex macro programming.

Why did my Excel suddenly change to numbers for columns?

You or a macro may have accidentally enabled the R1C1 reference style in the Calculation settings, or you opened a workbook that was saved with this setting enabled. Disabling it in Preferences will return the columns to standard letters.

Does changing the reference style affect my existing formulas?

No, changing the reference style only alters how the cell addresses are displayed on your screen. The software automatically translates your existing formulas to match the selected style without breaking any data.