AOMEI Partition Assistant
Easily convert HDD/SSD disk from MBR to GPT or from GPT to MBR with AOMEI Partition Assistant, ensuring
a smooth conversion
without any data loss. Gain confidence in modifying your disk structure
effortlessly.
Explore the scenarios below to understand when it is necessary to convert your disk to either MBR or GPT style.
Compared with Disk Management, AOMEI Partition Assistant makes conversion between MBR and GPT without wiping data on the disk. No need to back up data in advance.
Offer user-friendly and step-by-step guides to assist users in converting disk styles, making it particularly accessible for beginners.
Able to cancel all pending operations before clicking "Apply", guaranteeing the preservation of your data. Say goodbye to concerns about accidental mistakes.
The dedicated support team offers immediate and valuable technical assistance throughout your operating process. Say goodbye to concerns, knowing help is just a message away.
How to Clone GPT Disk to MBR Disk in Windows 11, 10, 8, 7?
Have doubts about how to clone a GPT disk in Windows 11, 10, 8, 7? Here you will clear all your doubts and learn how to clone GPT hard drive via professional tool.
Get GPT to MBR Converter Software Free Download Here! (3 Tools)
If you are confused with GPT to MBR conversion, check GPT to MBR converter free download! You can easily and safely convert from GPT to MBR.
How to Solve the Specified Disk Is Not Convertible Issue
Why the specified disk is not convertible happens when converting MBR to GPT using Diskpart? This post will explain and show you how to fix it in a simple way.
Cannot Create EFI System Partition using MBR2GPT? 2024 Updated
Do you want to know why "cannot create EFI system partition" using MBR2GPT? This post will explain the reasons for you and provide some solutions.
How to Fix "There Is Not Enough Space on the Disk" [2024]
This article will tell you why there is not enough space on the disk in Windows 11, 10, 8, 7 and how to solve it in a simple way.
3 Ways to Convert GPT Hard Drive to MBR Without Data Loss
This post shows how to convert GPT hard drive to MBR via 2 Windows tools and a GPT to MBR converter which can convert disk without data loss, and vice versa.
3 Methods: Fix MBR2GPT Validation Failed (Video Tutorial Attached)
Although MBR2GPT utility is a good choice to convert MBR disks to GPT disks in Windows 10, some users are disappointed by MBR2GPT validation failed. Let’s go through the error and find out the solution to MBR2GPT Windows 10 disk layout validation failed issue in this page.
Windows Convert to GPT Grayed Out? Solve it Easily!
Sometimes, the "Convert to GPT Disk" greyed out issue occurs in Windows Disk Management. Here we will tell why you are unable to convert MBR to GPT, as well as how to get it solved easily.
MBR vs GPT: What's the Difference and Which One Should You Use?
When initializing a hard disk, how to choose MBR vs. GPT? This article will share the difference between MBR and GPT and which one should you choose for SSD. After reading, you can make a safe conversion between MBR and GPT without losing data.
Best Way to Fix “MBR2GPT Cannot Find OS Partition” in Windows 10
Generally, you can convert boot disk from MBR to GPT via the MBR2GPT.exe tool. However, sometimes, you might meet the “MBR2GPT cannot find OS partition” error message. Don't worry, here we list the workable solution.
How Can You Convert GPT to MBR without Data Loss Using Command Prompt?
In this post, you can learn how to convert GPT to MBR without data loss using Command Prompt step by step. In addition, an easier way to convert disk between MBR and GPT is also provided.
How to Enable UEFI Mode in Windows 11 or 10?
In this post, you will learn how to enable UEFI mode in Windows system for better performance of your PC via CMD and a tool that won’t cause data loss.
How to Change to GPT Format in Windows 10/11
If you need to use GPT format Windows 10 or 11, you come to the right place. This article will guide you to do a GPT format with CMD and a reliable tool that also offers you more options to manage your disk.
3 Steps to Convert SSD from MBR to GPT without Data Loss
If you need to convert SSD from MBR to GPT, read this article to get the powerful MBR2GPT converter. It is able to convert SSD from MBR to GPT, or from GPT to MBR without deleting partitions and data in Windows 10, 8, 7, and even the Windows 11 operating system.
Top 4 Way to Convert MBR to GPT without Data Loss in Windows 11, 10, 8, 7
How can you convert MBR to GPT without data loss? In this post, we'll share you with the best way to convert MBR disk to GPT without losing data in Windows 11, 10, 8, and 7 as well as 3 other useful methods to complete MBR2GPT conversion.
How to Change Legacy to UEFI without Reinstalling Windows 11, 10, 8, 7
UEFI is gradually becoming mainstream due to its security and faster boot speed. Here, we will show you how to change Legacy to UEFI step by step without losing data.
Fixed: Only the First 2 TB Are Usable on Large MBR Disks
When you receive the error message “Only the first 2 TB are usable on large MBR disks” while using Diskpart, this is related to the MBR max size limitation. This article will show you how to solve it.
Should You Initialize Your Disk to MBR or GPT and Why?
What type should you initialize your disk? MBR or GPT? This article will tell you why and the difference between them. And how can you convert between MBR and GPT with AOMEI Partition Assistant.
How to Convert System Disk to GPT without Losing Data?
Need to convert system disk to GPT, but not want to reinstall the OS? Here, you can learn how to convert MBR system disk to GPT without losing data or Windows operating system in Windows step by step.
Solved: The Operation Is Not Allowed on a Disk That Contains a Pagefile Volume
Do you want to know how to solve "The operation is not allowed on a disk that contains a pagefile volume"? This article will give you some suggestions.
4 Best Free MBR to GPT Converter in Windows (No Data Loss)
Are you seeking the free best MBR to GPT converter in Windows 11, 10, 8.1, 8, 7? This tutorial will demonstrate 4 effective MBR to GPT converters to help you complete the MBR to GPT conversion without losing data. Delve into this passage now!
[Stepwise] How to Convert MBR Disk to GPT without Losing Data in Windows
If you are looking for ways to convert MBR disk to GPT on Windows, you can use AOMEI Partition Assistant Professional to complete the conversion process without data loss. Or you can resort to 3 Windows default tools: Disk Management, Diskpart, or MBR2GPT.exe. Delve into this passage and find a suitable way for yourself!
What’s Default Partition Style in Windows 11?
Learn what the default partition style in Windows 11 is, and how to set the partition style for Windows 11 with a handy tool.
MBR or GPT, Which Is Better for 3TB Hard Drive?
You'll learn to choose MBR or GPT for a3TB hard drive in this post. Meanwhile, the best way to convert MBR to GPT without data loss will also be introduced.
How to Make GPT Hard Drive Bootable
If you want to make GPT hard drive bootable, you can use CMD via complex commands or try a user-friendly disk manager do a fast job.
How To Solve MBR Disk 2TB Partition Limit in Windows 8/8.1/7/Vista?
This post is to fix MBR 2TB partition limit by converting MBR to GPT disk with a handy tool and keep all data safe.
Why and How to Convert Boot Disk to GPT?
Learn to convert system boot disk to GPT with AOMEI Partition Assistant Pro, you can do it only with a few steps, and won’t cause data loss.
What's the Difference Between GPT and MBR Partition Style?
When initializing a new disk, you have to choose between MBR and GPT. What's the difference between MBR and GPT? Is there any benefit using MBR or GPT? How to check if your disk is MBR or GPT? This article will explain all the questions.
Does Converting from MBR to GPT Erase Data?
Does converting from MBR to GPT erase data? Not all tools will delete data during the conversion. This post will show 2 ways to convert to GPT without losing data.
SSD: Initialize as MBR or GPT?
Should I initialize my SSD as MBR or GPT? This post will show some details of two styles, how to initialize an SSD and how to change disk style if you need.
How To Convert Guid Partition Table (GPT) To Master Boot Record (MBR)?
How to convert guid partition table (GPT) disk to master boot record (MBR) disk is a problem that many computer users may be encountered. This article will teach you three ways to solve the problem. One is with AOMEI Partition Assistant, the other two are with command line and Windows disk management.
GPT Partition Manager: Resize, Convert GPT and More
Learn to use a versatile GPT partition manager to flexibly adjust your disk with easy operations and data safety.
[Fixed] The Selected Disk Has an MBR Partition Table
Many people encounter the error message: The selected disk has an MBR partition table. On EFI systems, Windows can only be installed to GPT disks. This article is about the easiest way to solve the problem.
What is GPT (GUID Partition Table) Disk and Advantage of It？
GPT, short for GUID partition table, is a kind of new disk partition style from the EFI/UEFI standard. Compare with the MBR, it has more advantages.
Found Invalid GPT and Valid MBR in Windows – Quick Fix
Get the return message “Found invalid GPT and valid MBR; converting MBR to GPT format in memory” when you use GDisk to convert MBR to GPT in Windows? Learn why the error occur and how to solve it in a simple way.
GDisk: Convert MBR to GPT without data loss in Windows
This article displays how to use GDisk to convert MBR to GPT without data loss as well as better replacement of GDisk for Windows OS.
There are No Free MBR Slots on the Disk in Windows 10 - Fixed
Learn to fix the “There are no free MBR slots on the disk” error in Windows 10 via the shown ways in this post.
How to Convert MBR to GPT with Windows Installation Media
Learn how to convert MBR to GPT with Windows installation media CMD or a handy tool to avoid data loss.
Is UEFI with GPT or MBR?
Does UEFI use GPT or MBR? What’re the relations among them? This article is what you need to read and learn to set them correctly.
Migrate Windows OS from GPT Disk to MBR SSD without Reinstalling
How to migrate Windows OS from GPT disk to MBR SSD and successfully boot Windows from the MBR SSD in Windows 10/8/7? Here comes the best solution.
How to Remove GPT Protective Partition without Data Loss
In this post, we will show you how to remove GPT protective partition in Windows XP/7/8/10/11 with two utilities, including Windows built-in tool and third-party software.
Three Common GPT Format Tools to Convert MBR to GPT in Windows
In this article, you will know three common GPT format tools and how to use these tools to convert MBR to GPT in Windows 11, 10, 8, 7.
Should I Use MBR Or GPT for Storage Drive?
Storage drive should choose MBR or GPT? This may be a problem that bothers many people. But you can find the answer from this tutorial. In addition, it will tell you how to convert the storage drive to MBR or GPT.
Should I Choose MBR or GPT for HDD?
HDD should choose MBR or GPT? This may be an issue that bothers a lot of users. However, you can find the answer from this tutorial. In addition, it will tell you how to make conversion between MBR or GPT for HDD.
Make A Partition Size Larger than 2TB without Data Loss
How to make a partition size larger than 2TB? In this post, you'll learn why you need a partition larger than 2TB and how to break the 2TB limit with help of third-party software.
Change Master Boot Record into GUID Partition Table without Data Loss
You will learn the best alternative to DiskPart and Disk Management to change Master Boot Record to GUID Partition Table without any data loss.
Solutions to Disk Partition Not Recognize by Windows 11, 10, 8, 7
What to do when a disk partition is not recognized by Windows 11? Don’t worry. In this post, you’ll learn several practical ways to help make the partition recognizable again.
Upgrade BIOS to UEFI Before You Want to Convert MBR to GPT
It is necessary to upgrade BIOS to UEFI if you want to convert your MBR disk to GPT disk. After you have updated BIOS to UEFI, you can convert MBR to GPT with AOMEI Partition Assistant.
[Solved] How to Install Windows 10 to GPT on UEFI?
What should you do if you meet the error “The selected disk is of the MBR partition style…” when trying to installing Windows 10 to a hard disk? Don’t worry because in this tutorial, the best solutions will be given to assist you to successfully install Windows 10 to UEFI GPT.
How to Change GPT to MBR without Format?
How to change GPT to MBR without format? This time, you’ll not only know the reason why you should make the change, but also, a most powerful utility will be introduced to help with the GPT MBR conversion in a lossless way.
How to Resize UEFI GPT System Partition without Data Loss?
How to resize UEFI system partition on GPT disk easily and safely? I think the best solution is use AOMEI Partition Assistant. Because of its professional performance, we can complete the task save time and protect data.
MBR Partition Table on EFI Systems – How to Fix It without Data Loss?
What if you run into the error that shows MBR partition table on EFI systems? What’s it and how to fix it? In this post, you’ll find the answer as well as the best solutions.
How to convert MBR to GPT and Switch Legacy to UEFI?
What’re MBR BIOS and GPT UEFI and how to convert between them? This time, you’ll have an overview of them and meanwhile, learn to make the conversion without data loss by using a powerful third-party disk management software.
What Is UEFI Boot Mode - UEFI vs BIOS
What’re UEFI boot mode and Legacy boot mode? You’ll find the answer in the following paragraphs and meanwhile, you’ll also see a comparison between these 2 types of boot modes. The best way to convert between MBR and GPT partition styles will also be introduced.
Are UEFI and GPT Required to Install Windows 11?
In this post, you’ll learn whether UEFI and GPT are required for Windows 11 installation. Also, the ways to set boot mode as UEFI and to change disks from MBR to GPT will be introduced.
What’s the Max Number of Partitions in a GPT Disk?
What’s the max number of partitions in a GPT disk? This time, you’ll be surprised by the exact number of partitions a GPT disk supports, learn the reason why you should choose GPT instead of MBR, and learn the best way to convert MBR to GPT.
How to Change GPT Partition to NTFS without Data Loss?
When you install Windows, sometimes, you could be prompted that the selected disk is of the GPT partition style and Windows must be installed to a partition formatted as NTFS or you can’t finish the installation. How to change GPT partitions to NTFS? In this post, you’ll learn to get it done without data loss.
How to Check If It’s UEFI or BIOS on Your PC?
How to check if it’s UEFI or BIOS on your PC? In this post, you’ll learn to do it in 2 different ways and meanwhile, you’ll also learn to convert between MBR and GPT partition styles to match the boot mode.
GPT Disk Partition Magic Software: Migration, Resize, Convert and More
Now I will introduce you a partition magic utility for GPT disk. With this partition magic, you can resize GPT disk easily, convert GPT to MBR without the need to delete any partitions, and even migrate OS to a GPT SSD. This partition magic is called AOMEI Partition Assistant.
Quick Way: Repair Corrupted MBR on Windows 10, 8 or 7
This article explains an easy way on how to repair or fix corrupted MBR (Master Boot Record) on internal/external hard drive in Windows 10/8/7/XP/Vista.
Can I Use MBR with UEFI – Choose the Right Boot Mode for a Hard Disk
“Can I used MBR with UEFI?” People often ask this question when installing windows and stopped by a prompt saying that the selected disk has an MBR partition table. In this post, you’ll know what MBR and UEFI are and whether they’re compatible with each other.
Windows Must Be Installed to a Partition Formatted as NTFS – Fix It without Data Loss
What to do when you encounter the warning “Windows must be installed to a partition formatted as NTFS”? This time, you’ll learn the best way to resolve this issue without any data loss.
How to Fix the Issue Windows 11 GPT Not Recognized in 3 Ways?
Some PC owners complain that Windows 11 can’t recognize the GPT boot disk and they can’t boot into Windows. So, in this post, we’ll discuss how to fix the Windows 11 GPT not recognized issue and find out some practical solutions.
How to Format GPT Protective Partition So that You Can Access It again?
How to format GPT protective partition to MBR so that you can access the files on it again? In this post, 2 practical ways will be provided to help with the GPT-MBR conversion.
How to Format to GPT without Data Loss?
How to format to GPT from MBR? This time, you'll learn to use both CMD DiskPart and a lossless third-party software utility to make the MBR-GPT conversion.
Solved: Cannot Install Windows 10 on UEFI and MBR with Rufus
In this post, you’ll learn the reason why you can’t install Windows 10 on UEFI and MBR with Rufus and meanwhile, you’ll learn the best method to convert between MBR and GPT for the OS to work normally.
How to: Change Partition Style to GPT or MBR without Data Loss
Wanna change partition style to MBR or GPT? Here we illustrate how to change a disk's partition style using DiskPart or third-party software without data loss in Windows 11, 10, 8, 7.
Answered: Can MBR and GPT on Same Disk?
MBR and GPT are two different partition tables. Many users are puzzled and asked whether they can mix MBR and GPT on same disk. So, we share this article to clear all doubts about the MBR and GPT.
How to Change GPT Partition Style to MBR in BIOS without Losing Data?
Meet the error “the selected disk is of GPT partition style” during Windows installation process? Here you will learn how to change GPT partition style to MBR without losing data in Windows.
How to Remove GPT Protective Partition Without Losing Data?
The "GPT protective partition" will make you unable to access the partition. So, here we share you with effective ways to remove GPT protective partition without losing data in Windows XP/7/8/10/11.
GParted: Create GPT Partition Step by Step
If you are trying to use GParted to create GPT partition, but don’t know how to do it specifically, then the page is the right place. Here you can find an elaborate guide on using GParted application to make GPT partition in Windows PC.
Convert MBR GPT on Windows Server 2022/2019/2016/2012 without Data Loss
If you need to convert MBR and GPT in Windows Server 2019, 2016, 2012 (R2), 2008 or 2003, here you can find 3 methods to get it completed. But to convert MBR/GPT in Server without losing data, the AOMEI Partition Assistant can help you a lot.
What’s the GPT Max Size in Windows Server or Windows PC?
What’s the GPT max size? What differ from the MBR max size? Here, you can get all information about the max disk size of GPT partition table or MBR partition table in Windows Server or Windows PC computer.
3 Methods: Convert MBR to GPT without Deleting Your Partitions
Consider converting MBR to GPT without deleting your partition but don’t know how to do it? This post offers 3 effective ways of change MBR disk to GPT without losing any disk partitions and data.
Convert to MBR Greyed Out in Windows 10: Fix it Right Now
When converting a GPT disk to MBR in Disk Management, you may find that “Convert to MBR Disk” option greyed out. To fix the issue, you can delete all partitions at first. If you don’t want to lose data, you can use a free partition manager, AOMEI Partition Assistant Standard.
How to Convert Boot Disk Between MBR and GPT Styles without Data Loss?
How to convert boot disk between MBR and GPT styles securely? Read on, and you’ll find the most powerful disk management software to help with MBR-GPT conversion without data loss.
