You can use NIUBI Partition Editor Free Edition to convert Dynamic Disk to Basic without losing data on Windows 11/10. All features discussed.

The selected GPT formatted disk contains a partition which is not of type PARTITION_BASIC_DATA_GUID This is reported mostly when the user is trying to extend a specific disk-partition.

The main idea is to not use a partition that has bad write support in an OS you use often—so, if you're a heavy OS X user, you wouldn't want to put all your data on your Linux partition, since ...