Office.SaveSettingsOptions interface   
Provides options for saving settings.
Properties
| async | A user-defined item of any type that is returned, unchanged, in the asyncContext property of the AsyncResult object that is passed to a callback. | 
| overwrite | Warning: This setting has been deprecated and should not be used. It has no effect on most platforms and will cause errors if set to  | 
Property Details
		asyncContext
	 
	A user-defined item of any type that is returned, unchanged, in the asyncContext property of the AsyncResult object that is passed to a callback.
asyncContext?: anyProperty Value
any
		overwriteIfStale
	 
	Warning
This API is now deprecated.
overwriteIfStale is no longer supported.
Warning: This setting has been deprecated and should not be used. It has no effect on most platforms and will cause errors if set to false in Excel on the web.
overwriteIfStale?: booleanProperty Value
boolean