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# unarchiveObject(with:)

Decodes and returns the object archived in a given `NSData` object.

```
class func unarchiveObject(with data: Data) -> Any?
```

## Parameters

`data`

An `NSData` object that contains an archive created using `NSArchiver`.

## Return Value

The object, or object graph, that was archived in `data`. Returns `nil` if `data` cannot be unarchived.

## Discussion

This method invokes [`init(forReadingWith:)`](/documentation/Foundation/NSUnarchiver/init(forReadingWith:)) and [`decodeObject()`](/documentation/Foundation/NSCoder/decodeObject()) to create a temporary `NSUnarchiver` object that decodes the object. If the archived object is the root of a graph of objects, the entire graph is unarchived.

## See Also

[`-  encodeRootObject:`](/documentation/Foundation/NSArchiver/encodeRootObject(_:))

Archives a given object along with all the objects to which it is connected.


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