Field headings make no sense and add clutter.Refreshing a pivot table messes up column widths.Grouping one pivot table affects another.It doesn’t directly show the percentage of total.Automatic field names assigned by the Pivot Table can be inappropriate.Pivot Table contains Blanks instead of Zeros for fields that have no source data.You add new data into a pivot table but it doesn’t show up when you refresh.Take a look at the most frequently encountered Pivot Table issues: Frequently Encountered Problems with Pivot Tables in MS Excel Put simply, Pivot Tables in Excel allow you to extract the significance or the gist from a large, detailed data set by allowing you to slice-and-dice data, sort-and-filter data, or arrange it in any way you want. Typically, working on the grouping of saved data, Pivot Tables are used in data processing and are found in data visualization programs, such as spreadsheets or business intelligence software. The results of the operation are saved as summarized data in other tables. Pivot Tables in Microsoft Excel are created by applying an operation such as sorting, averaging, or summing to the data in certain tables.