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When C Drive Is Running Out of Space, What Should Users Do

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    After running Windows for a long time, users may receive the warning that C drive is running in low disk space. Open Windows Explorer and users will find there is little free space left in this drive. Well, what should users do when C drive is running out of space? In this post, we will give several solutions, and please choose the most suitable one in accordance with actual demands.

    1. Delete old or unnecessary files as the Low Disk Space Warning suggests


    Certainly, users can delete useless or old files to free up space, but they should be very clear about what files they are deleting. Once a system file is deleted by mistake, the entire Windows may be unbootable. Moreover, free space released by taking this solution is limited, and users may receive the same warning after a short time.

    2. Replace the disk with a larger one


    This solution is suggested when the entire hard disk is running out of space rather than C only. If users want to complete the replacement without reinstalling Windows and other programs, copy the small disk to the larger one, and make the source one for data. During the process of disk copying, users are able to extend C. For detailed steps, please see Copy Disk.

    3. Extend C Drive


    When there is much unused space available in other partitions on the same disk, extending C is the best solution. Please open Windows Disk Management utility at first, and then right click C drive to see whether there is the function “Extend Volume” or whether “Extend Volume” can be chosen. If it is available, extend C drive with wizards. If not, download free partitioning software from the internet. Here, we suggest using MiniTool Partition Wizard. Next, let’s see how Partition Wizard helps get rid of the problem that C drive is running out of space.

    Step 1: download and install the program to computer. Then, launch it to get its starting interface where users need to click “Launch Application” to get the main window below:



    Step 2: select C drive and choose “Extend Partition” from the left action panel to get the following interface:



    Step 3: choose an existing partition or unallocated space from the same disk to borrow free space to extend C, and drag the sliding button to decide how much free space to borrow. Then, click “OK” to go back to the main window:



    Step 4: Click “Apply” button on the top to apply all changes to computer. And after the application is done, low disk space warning will not emerge until the C drive is running out of space again.

    Please take the best solution when users meet the same problem.