First of all, you can download Macrorit disk partition free edition to try. It works on Windows XP/Vista/7/8 both 32-bit and 64-bit, if you are running Server OSs like 2003, 2008, you can try the server partition software.
The feature of "Convert Primary to Logical" could help you to create new partition by quick changing partition type if the disk contains four primary partitions. Macrorit Disk Partition Expert (MDE) is capable of converting primary partition to logical without data losing and vice versa.
Let's see the simple guide for converting primary to logical and vice versa with several mouse clicks.
To convert the logical partition back to primary partition, it is also easy task with several clicks. Please follow the steps.
Launch Macrorit Partition Expert, choose the "Convert to Primary" option in the drop-down menu after right clicking the target logical partition.
Done! The feature of "Convert primary partition to logical partition and vice versa" is easy to realize. What's more, it also guarantees the data intact during the conversion process.