Alt + O R A Mac Excel Shortcut: Legacy AutoFit Row Height (2026 Guide)

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Quick Answer

To do Alt + O R A on Mac in Excel, install Accelerator Keys, then press Option, then O, then R, then A. It runs the Excel 2003 command Format > Row > AutoFit. The modern ribbon shortcut is Alt + H + O + A.

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If you are looking for the Alt + O R A shortcut on Mac Excel, you may know it from Excel 2003, where Alt + O opened the Format menu. Windows Excel still accepts these menu keys. With Accelerator Keys, they work on your Mac too.

What Does Alt + O R A Do?

Alt + O + R + A is the legacy shortcut for Format > Row > AutoFit. It sets each selected row to the height of its tallest content. Use it after you wrap text or change the font size.

Legacy vs. Modern Shortcut Comparison

Shortcut Era Menu Path
Alt + O + R + A Legacy (Excel 2003) Format > Row > AutoFit
Alt + H + O + A Modern (Ribbon) Home > Format > AutoFit Row Height

Both shortcuts work with Accelerator Keys.

How It Works on Mac

On your Mac, Accelerator Keys runs Format > Row > AutoFit in the Excel menu bar. It works on any ribbon tab and at any window width.

Step-by-Step: How to do Alt + O R A on Mac Excel

  1. Install the Fix: Download Accelerator Keys (14-day free trial, no credit card required).
  2. Select the rows: Select the rows you want to fit.
  3. Press Option: Press the Option key. It works like Alt on Windows.
  4. Press the letters one at a time: Press O, then R, then A.
  5. Result: Excel fits each row to its content.

Frequently asked questions

Does Alt + O R A work natively on Mac Excel?

No. Excel for Mac’s own KeyTips do not support the legacy Alt + E, Alt + I, Alt + O, and Alt + D menu keys. Accelerator Keys adds them. Press Option, then O, then R, then A.

What is the modern equivalent of Alt + O R A?

The modern ribbon shortcut is Alt + H + O + A (Home > Format > AutoFit Row Height). Both work on Mac with Accelerator Keys.

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