Convert Dynamic Disk to Basic without Data Loss
This free tool IM-Magic Partition Resizer can convert a dynamic disk to basic without losing data in Windows.
Note: Do not convert a RAID volume disk to basic when your RAID is built with several dynamic disks. This data destruction. Avoid converting a RAID disk to basic.
Free tool download https://www.resize-c.com
Besides converting a disk to basic, this free tool can also resize, move, delete, convert, format, clone, backup, migrate os and more.