| Interface | Description |
![Interface](template/packages/core-dotnet/images/Interface.png) | IAboveAverage | Represents a conditional format for above or below average values. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IAreas | Represents a collection of ranges, each of which represent a single contiguous range of one or more cells. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IAutoFilter | Represents the autofilter options of a worksheet. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IBorder | Represents the color, style, and weight of a border. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IBorders | Represents the border color, border style, and border weight of a cell or range of cells. |
![Interface](template/packages/core-dotnet/images/Interface.png) | ICharacters | Represents the font and text of a range of characters in a text cell or shape. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IChartSheet | Represents a chart sheet. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IColors | Represents the color palette of a workbook. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IColorScale | Represents a conditional format which uses color scales. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IColorScaleCriteria | Represents the collection of criteria for a conditional format which uses color scales. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IColorScaleCriterion | Represents an individual criterion for a conditional format which uses color scales. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IColorStop | Represents an individual color stop for a gradient fill. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IColorStops | Represents the collection of color stops for a gradient fill. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IComment | Represents a cell comment. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IConditionValue | Represents the minimum or maximum condition value of a conditional format. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IDatabar | Represents a conditional format which uses data bars. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IDataBarBorder | Represents the border of a data bar conditional format. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IDialogSheet | Represents a dialog sheet in a workbook. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IFilter | Represents an individual filter associated with a set of autofilters. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IFilters | Represents the collection of filters associated with the autofilter of a worksheet. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IFont | Represents the font of a cell, range or object. Setting the properties of an instance of IFont modifies the font properties of the represented cell, range or object. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IFormatColor | Represents the colors used by color scale and data bar conditional formats. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IFormatCondition | Represents a conditional format. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IFormatConditions | Represents the conditional formats associated with a range. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IGradient | Represents the ILinearGradient or IRectangularGradient returned by the IRange.Interior.Gradient property. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IHPageBreak | Represents a horizontal page break (a row page break) in a worksheet. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IHPageBreaks | Represents the collection of horizontal page breaks (row page breaks) in a worksheet. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IHyperlink | Represents a hyperlink. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IHyperlinks | Represents a hyperlink collection. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IIcon | Represents an individual icon in an icon set. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IIconCriteria | Represents the collection of criteria for a conditional format which uses a set of icons. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IIconCriterion | Represents an individual criterion for a conditional format which uses a set of icons. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IIconSet | Represents an icon set. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IIconSetCondition | Represents a conditional format which uses a set of icons. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IIconSets | Represents a collection of icon sets. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IInterior | Represents the interior of a cell, range or object. |
![Interface](template/packages/core-dotnet/images/Interface.png) | ILinearGradient | Represents a linear gradient returned by the IInterior.Gradient property. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IModule | Represents a module. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IName | Represents a defined name. |
![Interface](template/packages/core-dotnet/images/Interface.png) | INames | Represents the collection of defined names in a workbook or worksheet. |
![Interface](template/packages/core-dotnet/images/Interface.png) | INegativeBarFormat | Represents the negative bar format of a data bar conditional format. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IOutline | Represents the outlining options of a worksheet. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IPageSetup | Represents the page setup properties of a worksheet. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IPane | Represents a worksheet window pane. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IPanes | Represents the collection of window panes associated with a worksheet. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IPrintable | Marks a class or interface as being printable. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IRange | Represents one or more cells, rows, columns, or ranges of cells. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IRectangularGradient | Represents a rectangular gradient returned by the IInterior.Gradient property. |
![Interface](template/packages/core-dotnet/images/Interface.png) | ISheet | The base interface of all sheets in a workbook, including worksheets, chart sheets, dialog sheets, macro sheets and VBA modules. |
![Interface](template/packages/core-dotnet/images/Interface.png) | ISheets | Represents all of the sheets in a workbook, including worksheets, chart sheets, dialog sheets, macro sheets and VBA modules. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IStyle | Represents an individual named cell style associated with a workbook. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IStyles | Represents the named cell styles associated with a workbook. |
![Interface](template/packages/core-dotnet/images/Interface.png) | ITab | Represents a sheet tab. |
![Interface](template/packages/core-dotnet/images/Interface.png) | ITop10 | Represents a conditional format for top or bottom ranking values. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IUniqueValues | Represents a conditional format for duplicate or unique values. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IValidation | Represents the data validation associated with a range of cells. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IVPageBreak | Represents a vertical page break (a column page break) in a worksheet. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IVPageBreaks | Represents the collection of vertical page breaks (column page breaks) in a worksheet. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IWorkbook | Represents a workbook. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IWorkbooks | Represents all of the workbooks in a workbook set. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IWorkbookSet | Manages a set of workbooks which may refer to each other by external cell references or external defined name references. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IWorkbookWindowInfo | Represents workbook specific window information. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IWorkbookWindowInfos | Represents a collection of IWorkbookWindowInfo instances in a workbook. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IWorksheet | Represents a worksheet. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IWorksheets | Represents a collection of worksheets in a workbook. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IWorksheetWindowInfo | Represents worksheet specific window information. |
![Interface](template/packages/core-dotnet/images/Interface.png) | IWorksheetWindowInfos | Represents a collection of IWorksheetWindowInfo instances in a worksheet. |