It only keeps the value of first cell. This is the warning I see when trying to merge in User Interface (see attached). Try to put the value in top left cell.
Artem Taturevych, Application Engineer at Intercad (Australia)
translationXpert – add-in to translate SolidWorks models
myIntercad – an integrated tool for SolidWorks Professionals
merge.png 30.5 KB