How to convert LDM data partition

How i can convert LDM data partion. I think it has been NTFS befores been

Disk /dev/disk5 - 4000 GB / 3726 GiB - 7814037168 sectors

   Partition         Start    End  Size in sectors

> 1 P MS LDM MetaData        34    2081    2048 [LDM metadata partition]

 2 P MS Reserved         2082   32767   30686 [Microsoft reserved partition]

 3 P MS LDM Data        32768 7814037134 7814004367 [LDM data partition]

This is what i can see in testdisk