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How to Resize External Hard Drive Partitions

Updated on Dec 10, 2018 by Brithny to Partition Master

Use EaseUS partition software to resize a partition on the external hard drive in Windows 2000/XP/Vista/7/8 and Server 2000/2003/2008 (32bit and 64bit)

Q: I bought an IOGear 160G external drive. I partitioned this external hard drive into 6 partitions, of 20-32G sizes. This is completely wrong for how I want to use the drive. All my mp3 programs require the library to be all in one volume, so I need 60-80G all in one volume just for music. IOGear support says that Windows XP does not allow volumes any larger than 60G in FAT32. (This seems crazy since my older drive is all one volume and is FAT32.) Does anyone know how I can resize these partitions into one larger one (say 80-90 G) and have it in a format that both my Win98SE system and my Windows XP laptop can access?

A: To resize external hard drive partitions, you cannot use Disk Management Tool in Windows XP to create an external hard drive partition that larger than 32 GB. The only choice to get a FAT32 partition on the external hard drive, you need to use third-party external hard drive resizing software, like EaseUS Partition Master Free Edition.

EaseUS Partition Master Free Edition is a FREE disk partitioning utility that offers a range of powerful functions like Resize and Move, Copy, Create, Merge, and Convert external hard drive partitions, etc. From the following steps, you may find it is a simple task to resize external hard drive partitions with EaseUS Partition Master Free Edition. Connect the external device to your computer and start the resizing process.

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 Windows 10 is supported


Step 1: Locate the drive/partition

Which drive/partition do you want to adjust its size? Right-click on it and choose "Resize/Move".

choose the partition

Step 2: Resize the partition

You can either shrink the selected partition or extend it.

To shrink the partition, simply use your mouse to drag one of its ends into unallocated space. Expand the "Advanced Settings" list, where you can see the exact disk space for each partition. Once done, click "OK".

Fig. 1 Unallocated space before the drive.

drag the mouse leftwards to resize partition

Fig. 2 Unallocated space after the drive.

drag the mouse rightwards to resize partition

To extend the partition, make sure that there is unallocated space aside (if there isn't, follow the above steps to create some). In the same way, drag your mouse towards the unallocated space. Click "OK".

Fig. 3 Add unallocated space into the partition

drag the mouse towards unallocated space

Step 3: Apply changes

At this step, you will see the new disk partition information & diagram.

disk partition information after resizing

To save changes, click the "Execute Operation" button and then "Apply".

apply changes to the partition

From above, you will find that resizing the partition on the external hard drive is very simple, Besides resizing & moving partitions, it also has other powerful range of functions, such as: Create partition, Delete partition, Copy disk, Format partition, Hide and Unhide partition, Merge partitions.