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How to Fix Extremely Slow Word for Mac on macOS Sonoma
Question details
Users need to resolve severe performance issues, lagging, and incorrect behavior in Microsoft Word after updating to macOS Sonoma.
- Product
- Microsoft Word for Mac
- Device & OS
- macOS Sonoma
- Scenario
- Attempting to edit documents, use keyboard shortcuts, or copy-paste text in Microsoft Word.
- Observed behavior
- Microsoft Word lags significantly, fails to open, mishandles paste options, and ignores keyboard shortcuts. Standard reinstallation does not fix the problem.
Before troubleshooting, ensure all your important documents are saved and closed, and verify you have your Microsoft account login details ready if a reinstallation is required.
Update to the Latest Preview Build
Switching to the Current Channel (Preview) can give you access to early patch fixes for macOS Sonoma performance issues.
Microsoft frequently tests bug fixes in their preview channels before releasing them to the general public. Updating to a newer build (like 16.85.2) can often instantly resolve severe lag and shortcut bugs.
Launch Microsoft Word. Go to the top menu bar, click on 'Help', and select 'Check for Updates'.
Click on 'Advanced' in the update window. Under the Update Channel dropdown, select 'Current Channel (Preview)'.
Check for available updates and install the latest preview build. Once the update is complete, restart Word to see if the lag is resolved. You can switch the channel back to 'Current Channel' afterward.
Roll Back to a Stable Older Build
If the current version is fundamentally broken on macOS Sonoma, reverting to a previously stable build like version 16.84 often resolves performance issues.
Switch to WPS Office for a Lag-Free Experience on macOS
If Microsoft Word continues to struggle with lag and performance bugs on macOS Sonoma, WPS Office provides a fast, lightweight, and highly optimized alternative. It offers native support for Mac devices and seamless compatibility with all your existing Word documents.
- 1. Download WPS Office: Visit the official WPS website and download the free installer for Mac.
- 2. Install the Application: Open the downloaded package and follow the straightforward on-screen instructions to install WPS Office on your Mac.
- 3. Open Your Documents: Launch WPS Office and open your existing .docx files to continue working seamlessly without any lag.
Frequently Asked Questions
Why is Microsoft Word suddenly so slow on my Mac?
Recent updates to macOS Sonoma or specific Microsoft Office builds can introduce compatibility bugs, causing excessive lag, failure to open, and unresponsiveness during standard tasks.
Will simply uninstalling and reinstalling Office fix the lagging issue?
Not always. Standard reinstallation via the App Store or the Microsoft website often re-installs the exact same buggy build. It is better to specifically roll back to a known stable version or try a newer preview update.
How do I switch back from the Preview channel on Mac?
Open any Office application, go to Help > Check for Updates in the top menu bar, click on 'Advanced', and change the Update Channel back from 'Current Channel (Preview)' to 'Current Channel'.
