Others

Fix a Cursor That Jumps When Opening Emails on Mac

Camila Milosovich Oct 9, 2026 868 views

Question details

The user is experiencing an issue where the text cursor automatically jumps to the bottom of the page whenever an email is selected or opened.

How to Fix a Cursor That Jumps When Opening Emails on Mac

Product: macOS / Email Applications
Device & OS: Mac (macOS Sonoma)
Scenario: Selecting, opening, or attempting to read an email within an email client or webmail application on a Mac.
Observed behavior: The cursor forces the screen or focus to jump to the bottom of the email page, disrupting the user's ability to read or reply to the message normally.

Before you start

Before troubleshooting, determine if this cursor behavior happens in all applications on your Mac, or if it is strictly isolated to a specific email client like Comcast Webmail, Apple Mail, or Outlook.

Solution 1Recommended

Isolate the Affected Email Application

Since there is no system-wide 'cursor vertical alignment' setting, the issue is highly likely caused by the specific email application's behavior or web script.

Jumping cursors are frequently caused by how an individual application handles focus when a new message is loaded. Identifying the exact environment is the first critical step.

Check your application environment

Take note of whether you are using a dedicated desktop application (like Apple Mail or Microsoft Outlook) or a web browser (like Safari or Chrome) to access Comcast Webmail.

Test in a different application

Open a completely different program, such as a plain text editor or Microsoft Word, and click around to see if the cursor jumps. If it does not, the issue is isolated to your email app.

Clear browser cache (for webmail users)

If you are using a web browser for your email, go to your browser's settings, clear the cache and cookies, and restart the browser to eliminate script conflicts.

No Vertical Alignment Setting: Do not look for a 'cursor vertical alignment' setting in your Mac's general UI, as this setting does not actually exist in macOS or standard email clients.

Solution 2

Review macOS Accessibility Settings

Certain accessibility preferences in macOS Sonoma can inadvertently cause unwanted scrolling or pointer snapping.

Solution 3

Update Your Software

Bugs related to cursor focus are often resolved in newer software patches for macOS or Microsoft 365.

Free Microsoft Office alternative

Try WPS Office for Mac for a Smooth, Bug-Free Experience

If software glitches in Microsoft 365 are affecting your productivity on Mac, consider switching to WPS Office. It provides a lightweight, highly compatible, and user-friendly alternative for all your document needs without the heavy resource usage.

1. Download WPS Office for Mac: Visit the official WPS website and download the macOS installation package.
2. Install the Application: Open the downloaded file and drag the WPS Office icon into your Applications folder.
3. Open Your Documents: Launch WPS Office and seamlessly open your existing Microsoft Office files with full formatting preserved.

Fully compatible with Microsoft Word (.docx), Excel (.xlsx), and PowerPoint (.pptx) formats.Lightweight architecture ensures fast loading and smooth typing without cursor lag on macOS.Free to use with a familiar, easy-to-navigate user interface.All-in-one suite lets you manage documents, spreadsheets, and presentations in one window.

microsoft office alternative - wps office

Frequently Asked Questions

Is there a 'cursor vertical alignment' setting on Mac?

No, there is no standard user-interface setting called 'cursor vertical alignment' in macOS or most general email applications. Cursor jumping is usually caused by software bugs, browser script conflicts, or accessibility preferences.

Why does my cursor only jump in Comcast Webmail?

Web-based email clients can sometimes have JavaScript conflicts with your specific browser version, causing the page to auto-scroll or the cursor to jump to the bottom when an element is clicked. Trying a different browser or clearing your cache often resolves this.

Can Microsoft 365 cause my cursor to jump in other Mac apps?

Generally, Microsoft 365 application settings only affect documents within Word, Excel, or PowerPoint. If your cursor jumps when opening an email in a separate app (like Apple Mail), the cause is typically the email software itself or a system-wide macOS setting, not Microsoft 365.

Office Quick Solutions