You initially format the target drive as "MS-DOS(FAT)" for WinClone to restore the saved image.
https://twocanoes.zendesk.com/hc/en-us/articles/203407837-Create-a-Boot-Camp-Partition
https://twocanoes.zendesk.com/hc/en-us/article_attachments/200842683/Apply-changes.png
what size i has to put for my external ssd drive in partition? for example the bootcamp that i want to copy with winclone is 338.48 gb to my 500 ssd.