How to Do Alt + H M C on Mac in Excel (Easiest Way)

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Quick Answer

To do Alt + H M C on Mac in Excel, download and install Accelerator Keys, then press Option, followed by H, M, C.

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Command: Merge & Center

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 H, M, C to complete the ribbon shortcut.

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

What Does Alt + H M C Do in Excel?

Alt + H M C is the merge and center shortcut in Excel. It combines the selected cells into one larger cell and centers the content horizontally. This is the fastest way to merge cells in Excel — commonly used for creating titles that span multiple columns, formatting report headers, and organizing data layouts.

On Windows, the merge and center shortcut (Alt + H M C) works natively. On Mac, you need Accelerator Keys to use this Excel merge and center shortcut with the same key sequence.

How to Merge and Center in Excel on Mac

Without Accelerator Keys, merging cells on Mac Excel requires multiple clicks:

  1. Select the cells you want to merge
  2. Go to the Home tab in the ribbon
  3. Click the Merge & Center dropdown
  4. Select Merge & Center

With Accelerator Keys installed, you can skip all of that — just press Option → H → M → C. This is the same shortcut for merge and center that works on Windows, now available on your Mac.

Shortcut Command Description
Alt + H M C Merge & Center Merge cells and center content
Alt + H M A Merge Across Merge cells across columns only
Alt + H M M Merge Cells Merge without centering
Alt + H M U Unmerge Cells Split merged cells back apart

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