Windows has a secret vault. You're not using it.
Use the following fixes if the Shrink volume is greyed out on your Windows 11/10 PC. Check the File System Check if the volume is encrypted Defragment your hard drive Disable Hibernation, Paging file, ...
Before partitioning your HDD or SSD, it's important to keep a backup of your files. Make a good backup of your important data to avoid possible loss of important data. The following methods apply to ...