How to Do Alt + R R O on Mac in Excel (Easiest Way)

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Quick Answer
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Command: Always Open Read-Only

What Does Alt + R R O Do in Excel?

Alt + R R O toggles the “Always Open Read-Only” setting in Excel. When enabled, this recommends that users open the file as read-only, helping prevent accidental changes to important workbooks.

Step-by-Step Guide

  1. Download and install Accelerator Keys (14-day free trial, no credit card required).
  2. Follow the simple on-screen setup instructions (just a few clicks).
  3. Press the Option key (works like Alt on Windows).
  4. Press R, R, O to toggle Always Open Read-Only.

This is how to do Alt + R R O on Mac in Excel with Accelerator Keys, the native ribbon and alt key shortcut solution for Mac users who get more done with Excel.

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