| Name | Description | |
|---|---|---|
 | Close | Closes this workbook and releases associated resources. |
| DateTimeToNumber | Converts the specified System.DateTime to a date-time serial number appropriate for storage in a worksheet cell. |
| NumberToDateTime | Converts the specified date-time serial number to an instance of System.DateTime. |
| Protect | Enables protection for this workbook with the specified password and protection options. |
| Save | Saves this workbook using the current FullName. |
| SaveAs | Overloaded. Saves this workbook using the specified filename and FileFormat, and updates the FullName property. |
| SaveToMemory | Overloaded. Saves this workbook to a newly created memory buffer in the specified FileFormat. |
| SaveToStream | Overloaded. Saves this workbook to a stream in the specified FileFormat. |
| Unprotect | Disables protection for the workbook with the specified password. |