All Meta Box custom fields can be converted to cloneable fields. Here are some common export characteristics when this happens:
A pipe character is used to separate each repeater row.
Whenever there are multiple pieces of data inside the same row, they will be comma-separated.
For example, this group field contains one number field and one text field, all handled like a repeater:
During export, a repeater field adds a column for each field that it contains. Therefore, the Meta Box fields in this example would export:
A cloneable number column with repeated numbers separated by a pipe ( | ) character.
A cloneable text column repeated repeated text strings separated by a pipe ( | ) character.
Here's what that Meta Box export file would look like:
Here are some additional details for the cloneable versions of each field type:
Cloneable Basic Fields
Exports plain text data. Multiple elements within the same row are separated by a comma, and multiple repeater rows are separated by a pipe character.
Cloneable WordPress Fields
Exports the IDs or names accordingly. Multiple elements are separated by a comma.
Cloneable Upload Fields
The paths to download the attached files or images are exported. Multiple repeater rows are separated by a pipe character.
Cloneable HTML5 Fields
Exports the stored data as plain text. Multiple repeater rows are separated by a pipe character.
Cloneable Advanced Fields
All values are exported as explained in their corresponding docs. Multiple elements within the same row are separated by a comma, and multiple repeater rows are separated by a pipe character.