How to Extend C Drive Space in Windows Server 2019 - 3 Ways

Video Tutorial: How to Extend A Partition on Windows Server OS


If you want to extend your partitions easily, sometimes you can merge the partition with another one which has a lot of unallocated space there. This article will show you how to use the easiest way to merge your partitions.

Andrew Wright

Updated on Sept 13, 2022

by Andrew Wright

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C Drive is out of Space

If you don’t manage your hard disk partitions, you will find your C drive is about to run out of the space, and your computer run slower and slower, and you can not install any programs on the computer. How to fix it?

#1 - Free up the C Drive Space using Disk Cleanup

How to increase the C drive space in Windows server 2019? When the computer operates, it will produce some temp files on your system drive, after some time, these files can occupy a lot space. So first of all, you can delete some temp files and useless data on the system drive to free up the C drive space .

disk clean up

Steps to clean temp files for c drive to add free space to c drive:

  • 1, Open your computer, Right click C drive in THIS PC ->Go to option 'Properties'
  • 2, Click on Disk Cleanup in the property tab options
  • 3, Click the suggested columns (in the above image) to clean and free up c drive space

Then you can uninstall some useless programs to free up space. You can also try some clean up programs to help you.uninstall

#2 - Add Disk Space to C Drive in Window Server 2019 with Disk Management

The second solution to increase the C drive is to add disk space to C drive in Windows server 2019 with Disk Management by the following options:

  • 1, Shrinking volume on another big drive on the same disk or another disk if raid is built to create unallocated space.
  • 2, Delete volume in Disk Management to create unallocated space
  • 3, Add a new disk to Windows Server 2019 and redistribute the free space to c drive by using RAID array

Disk Management is system built-in partition manage tool, you can use this function to extend, shrink, format partitions. You can right-click the “Computer” and choose “Manage”, enter “Disk Management”, then you can have all your disk partitions on the list. You can just right click the partition to perform operations.shrink volume

Note: Disk Management tool works only when your files system is NTFS, and you can not extend the partition if there is no unallocated space adjacent to the partition you want to extend.

How to fix the problem if your disk volume is NTFS or when the unallocated space is not adjacent to c drive?

Solution: Use Partition Resizer Server that can redistribute disk space without losing data and which can help redistribute unallocated space to any drive.

#3 - Extend C Volume Server 2019 with Partition Manager Tool

What if the “Extend Volume” grayed out when you try to extend the C drive with Disk Management on Windows server system, especially when the unallocated space is not close to the c drive? Or when you want to extend c drive without losing data or formatting disk?

IM-Magic Partition Resizer Server will be the best choice to extend C drive space, which is 100% safe when extending the c drive, without formatting disk, without losing a single file, without reinstalling os, wthout repartitioning disk and get everything protected.

Extend partition when the extend volume greyed out on server sbs 2011Extend partition when the extend volume greyed out on server 2019

After you install it on your computer, you will see the partitions on the program window, then right click the C drive, choose “Resize/Move Partition” option, then you can move the mouse to change the disk space.

The key: you need to shrink a large volume to create unallocated space and move unallocated space to c drive with Partition Resizer Server.

[Guide] Steps to extend volume without data loss with Partition Resizer Server

download This step by step guide will show you the right way to extend any volume using  IM-Magic Partition Resizer Server.

Step-1  Download install, and launch the program.

Step-2 Right click a large volume to produce unallocated space.resize partition

Steps to resize your disk partition
Steps to resize your disk partition

Step-3  Then right click c and drag the border to acquire the free space.right click server c drive to extendextend volume

Steps to resize your disk partition
Steps to resize your disk partition

Step-4 Apply the changes.shrink c

Example: how to move unallocated space to c drive and get c drive extended

Move D partition and move unallocated space without losing data

Related Product

  • IM-Magic Partition Resizer Server - Partition space redistributing software that works for Windows Server 2003, 2008 and other editions.