Change screen resolution of macOS in Virtual Box

When you install macOS in Virtual Box, the screen resolution is predefined, say It’s 1024×768. You are not able to change it via Virtual Box settings.

In this article, I will tell you how to change the Screen Resolution of macOS in Virtual Box within two steps.

Default screen solution is too mall compare to my big monitor

We are not able to change screen resolution via Virtual Box user interface

(Not able to change screen resolution)

How to change screen resolution

Step 1: Open command prompt, run as Administrator

Step 2: Run flowing commands to change screen resolution to 1440×900

cd "C:\Program Files\Oracle\VirtualBox\"

VBoxManage setextradata "Your Virtual Machine Name" VBoxInternal2/EfiGraphicsResolution 1440x900

Step 3: Start your machine and enjoy the result

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