邮件附件得问题！

在outlook中点击一个邮件得属性，看其邮件来源会有如下代码
  This is a multi-part message in MIME format.------=_NextPart_000_0009_01C37E33.61AF0DC0
Content-Type: multipart/alternative;
boundary="----=_NextPart_001_000A_01C37E33.61AF0DC0"
------=_NextPart_001_000A_01C37E33.61AF0DC0
Content-Type: text/plain;
charset="gb2312"
Content-Transfer-Encoding: base64dHNldA==------=_NextPart_001_000A_01C37E33.61AF0DC0
Content-Type: text/html;
charset="gb2312"
Content-Transfer-Encoding: base64PCFET0NUWVBFIEhUTUwgUFVCTElDICItLy9XM0MvL0RURCBIVE1MIDQuMCBUcmFuc2l0aW9uYWwv
L0VOIj4NCjxIVE1MPjxIRUFEPg0KPE1FVEEgaHR0cC1lcXVpdj1Db250ZW50LVR5cGUgY29udGVu
dD0idGV4dC9odG1sOyBjaGFyc2V0PWdiMjMxMiI+DQo8TUVUQSBjb250ZW50PSJNU0hUTUwgNi4w
MC4yODAwLjExMDYiIG5hbWU9R0VORVJBVE9SPg0KPFNUWUxFPjwvU1RZTEU+DQo8L0hFQUQ+DQo8
Qk9EWSBiZ0NvbG9yPSNmZmZmZmY+DQo8RElWPjxGT05UIHNpemU9Mj50c2V0PC9GT05UPjwvRElW
PjwvQk9EWT48L0hUTUw+DQo=------=_NextPart_001_000A_01C37E33.61AF0DC0--------=_NextPart_000_0009_01C37E33.61AF0DC0
Content-Type: application/msword;
name="test.doc"
Content-Transfer-Encoding: base64
Content-Disposition: attachment;
filename="test.doc"0M8R4KGxGuEAAAAAAAAAAAAAAAAAAAAAPgADAP7/CQAGAAAAAAAAAAAAAAABAAAAEQAAAAAAAAAA
EAAAEgAAAAEAAAD+////AAAAABAAAAD///////////////////////////////////////////wB
AAAAAAAAXAEAAAAAAABcAQAAAAAAAFwBAAAAAAAAXAEAABQAAAAAAAAAAAAAAHABAAAAAAAAcAAAAAAABcAQAAAAAAAFwBAAAAAAAAlAEAAAAAAAAIAgAAAAAAAKgBAABgAAAAqAEAAAAAAAAAAAAA------=_NextPart_000_0009_01C37E33.61AF0DC0--
其中因内容有限，我删掉了一些代码。
    请问有没有办法将这些代码还原为文件，这个是word文档得代码。