| Name | Description |
| CalculationMode | Gets or sets the value which indicates how a formula will be recalculated when a referenced value changes. |
| CellReferenceMode | Gets or sets the value which indicates the way cells in the workbook are referenced. |
| Culture | Gets or sets the culture to use as the current culture for the workbook when doing any culture-aware conversions or comparisons. |
| CurrentFormat | Gets the current format of the workbook. This is the format which will be used when saving and imposing format restrictions. |
| CustomTableStyles | Gets the collection of custom table styles in the workbook. |
| CustomViews | Gets the collection of custom views for the workbook. |
| DateSystem | Gets or sets the date system used internally by Microsoft Excel. |
| DefaultTableStyle | Gets or sets the default style for tables in the workbook. |
| DocumentProperties | Gets the properties associated with the workbook document. |
| EditingCulture | The editing culture affects certain language specific features such as formatting of dates. or comparisons. |
| FileWriteProtectedBy | Gets the name of the user who initially added file write protection to the document. |
| HasFileWriteProtectionPassword | Gets the value indicating whether the Workbook has a file write protection password that will be used to protect saved files or streams. |
| HasOpenPassword | Gets the value indicating whether the Workbook has an open password and will therefore be encrypted on subsequent saves. |
| HasProtectionPassword | Returns a boolean indicating if the Workbook has been protected with a password. |
| IsFileWriteProtected | Gets the value indicating whether the Workbook was loaded with file write protection and the correct password has not yet been provided to ValidateFileWriteProtectionPassword. |
| IsProtected | Returns a boolean indicating if the Workbook has been protected. |
| IterativeCalculationsEnabled | Gets or sets the value which indicates whether iterations are allowed while calculating formulas containing circular references. |
| MaxChangeInIteration | Gets or sets the maximum change of the values in a formula between iterations which will exit from iteration. |
| MaxColumnCount | Gets the maximum number of columns allowed in each worksheet based on the CurrentFormat. |
| MaxRecursionIterations | Gets or sets the maximum number of times formulas should be iteratively calculated. |
| MaxRowCount | Gets the maximum number of rows allowed in each worksheet based on the CurrentFormat. |
| NamedReferences | Gets the collection of named references in the workbook. |
| Palette | Gets the color palette used when the saved file is opened in Microsoft Excel 2003 and earlier versions. |
| Precision | Gets or sets the precision to use when obtaining a cell's value. |
| Protected | Gets or sets the value which indicates whether the workbook is protected. |
| Protection | Returns an object that provides information used when the Workbook has been protected. |
| RecalculateBeforeSave | Gets or sets the value which indicates whether the workbook should recalculate all formulas before saving. |
| SaveExternalLinkedValues | Gets or sets the value which indicates whether to save values linked from external workbooks. |
| ScreenDpi | Gets or sets the Dpi to use when calculating row and column sizes for the workbook. If empty, the system Dpi will be used. |
| Sheets | Gets the collection of sheets in the workbook. |
| ShouldRemoveCarriageReturnsOnSave | Gets or sets the value which indicates whether carriage return characters should be removed from string values in cells when the workbook is saved to an Excel file. |
| StandardTableStyles | Gets the read-only collection of preset table styles in the workbook. |
| Styles | Gets the collection of custom styles in the workbook. |
| SystemDpi | Gets or sets the default Dpi to use when calculating row and column sizes for the workbook. If empty, the resolved system Dpi will be used. |
| ValidateFormatStrings | Gets or sets the value indicating whether the format strings should be validated when they are set. |
| WindowOptions | Gets the options which control various workbook level display properties. |
| Worksheets | Gets the collection of worksheets in the workbook. |