Online Manual
How to format partition with NIUBI Partition Editor?
Step 1: Run NIUBI Partition Editor, right click the partition you want to format and select “Format Volume“.
Step 2: In the pop-up window, simple click OK to use default settings, or select File System and Cluster size, add a volume label to this partition.
Step 3: Click OK and back to the main window, press Apply on top left to execute.
NIUBI Partition Editor Online Manual