excel merged cells can not make some changes

When replication occurs.These data are merged through the cell, you can not copy, paste up.What to do.

But if the lifting of the merger, then the data gone then.

Double-click the cell , copy the contents just fine.or the first lifting of the merger.

Thank you

cell size, length and width are the same as the case may not change the format of one of the

Double-click the cell, the election Copy and paste the contents of which