Steps to Convert a Drive from GPT to MBR on Windows

GUID Partition Table (GPT)

GPT provides a better way for partitioning drives than the older Master Boot Record (MBR).
It is normally used by default on drives larger than 2 TB.

Master Boot Record (MBR)

This is the old way used on legacy computers with smaller drives.

• Has information on where the OS is located and how to boot.
• Needed for compatibility with older systems.
• 2 TB size limitation.
• Supports up to four primary partitions.

Convert GPT to MBR Steps

Critical: The process is Data Destructive and cannot be undone. ALL THE DATA ON THE DRIVE WILL BE LOST!

1. Open Disk Management in Windows.
   Select a drive.
   Right-Click.
   Select Properties.
   Select Delete Volume.
    

   



2. Right-click the disk name.
   Select Convert to MBR.
    

   



 

Need more help?
Microsoft Article: Convert an MBR disk into a GPT disk