I've searched Excel and the internet and haven't found a good way to do this. I have tons of data that has two columns Date and Time. The data points are on 5 minute intervals, so in a given day, there are 288 rows for each day and obviously each row has the same date value. I graph this data monthly and quarterly. At present I just use the Time Column on the X Axis for cleanliness sake, but I would love to find a way to have all of the times, and just each date once. I don't know if there's a way to do this, but I figured if there was, this would be the place to come for the answer.