Office for Mac Issues

How to Update Microsoft Office for Mac to Version 16.78.3

Nimra Malik Sep 30, 2026 868 views

Question details

Users need to know how to install Microsoft Office for Mac version 16.78.3 to fix update issues and maintain macOS Sonoma compatibility.

How to Update Microsoft Office for Mac to Version 16.78.3

Product: Microsoft Office for Mac
Device & OS: macOS
Scenario: Upgrading to macOS Sonoma and seeking compatibility or fixing existing update glitches.
Observed behavior: Uncertainty about the safety and method of updating from version 16.78 to 16.78.3 via Microsoft AutoUpdate.

Before you start

Ensure your Mac is connected to a stable internet connection and save any open documents before initiating the update process.

Solution 1Recommended

Update via Microsoft AutoUpdate

The standard and most reliable method to install version 16.78.3 using the built-in Microsoft AutoUpdate tool.

If you are currently on version 16.78, using the built-in Microsoft AutoUpdate feature is the quickest way to step up to 16.78.3. This ensures that you receive the exact patch needed for macOS Sonoma compatibility without having to reinstall the entire suite.

Open an Office Application

Launch any Microsoft Office application on your Mac, such as Microsoft Word, Excel, or PowerPoint.

Access the Help Menu

Click on the 'Help' option located in the top menu bar of your screen.

Check for Updates

Select 'Check for Updates' from the dropdown menu to launch the Microsoft AutoUpdate utility.

Install Version 16.78.3

Allow Microsoft AutoUpdate to scan for available patches and click 'Update' to install version 16.78.3.

Managing AutoUpdate Settings: Once the update is complete, you can choose to disable or remove the Microsoft AutoUpdate tool if you prefer to manage and install future updates manually.

Free Microsoft Office alternative

Try WPS Office for Mac as a Seamless Alternative

If you are tired of dealing with bulky updates and compatibility issues on macOS Sonoma, WPS Office provides a lightweight, highly compatible alternative to Microsoft Office. It is free to use and seamlessly supports all your Word, Excel, and PowerPoint files without the hassle of constant background updates.

1. Download WPS Office: Visit the official WPS website and download the installation package designed for macOS.
2. Install on Your Mac: Open the downloaded .dmg file and drag the WPS Office icon into your Applications folder.
3. Open Your Files: Launch WPS Office and directly open your existing Microsoft Office documents without any formatting loss.

Fully compatible with Microsoft Office formats (.docx, .xlsx, .pptx).Lightweight design that runs smoothly on macOS Sonoma without hefty updates.Familiar user interface requiring zero learning curve.All-in-one suite combining Writer, Spreadsheet, and Presentation in one tabbed window.

microsoft office alternative - wps office

Frequently Asked Questions

Is Microsoft Office version 16.78.3 compatible with macOS Sonoma?

Yes, updating to version 16.78.3 helps ensure better compatibility, security, and stability when running Microsoft Office applications on macOS Sonoma.

Can I disable Microsoft AutoUpdate on my Mac after installing the patch?

Yes, once version 16.78.3 is successfully installed, you can disable or remove the AutoUpdate tool if you prefer to manually download and install future updates.

Why is Microsoft AutoUpdate not finding version 16.78.3?

If AutoUpdate does not detect the new version, ensure your current version is 16.78 and that your internet connection is stable. You may also need to download the latest version of the AutoUpdate tool itself from Microsoft's official website.

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