In this situation, users can use "Move/Resize" function to extend partition. After clicking the function, the left picture will be shown. Please drag the two arrows to increase Partition Handle's length, thereby extending partition. Then click "OK" to go back to the main interface. Click "Apply" button to execute the operation, and extending partition will be accomplished.
this situation, if users want to free extend hard drive, "Extend Partition" function can be used. Select the partition that will be extended and then click "Extend Partition" function. The right interface will be shown. According to software prompts, select free space from one of the partitions shown in the drop-down list and drag the button below to resize partitions. Then click "OK" to go back to the main interface and click "Apply" to execute all operations. After all operations are finished, free extending partition will succeed.