See the T311454 ticket.
Provide the capability to copy/paste cell data and formatting without accessing the clipboard
Answers approved by DevExpress Support
We have implemented the functionality described in this ticket. It will be included in our next update(s).
Please check back and leave a comment to this response to let us know whether or not this solution addresses your concerns.
With VCL 15.2.3, you can copy/paste both cell data (including formula expressions, comments, references, etc.) and formatting without accessing the clipboard by using the worksheet's new CopyCellDataToStream and PasteCellDataFromStream methods.