# Table of contents:

• Client Versions
  • Windows
    • i386
  • Macintosh
    • m68k (TODO: find arch name?)
    • ppc
    • i386
  • WebTV
    • MIPS
  • Windows CE
    • arm

# Client Versions

This is a list of every known version of the Official Client.

# Windows

# i386

version	generally available	branch	main binary date (DD/MM/YYYY)	supported protocols, without CVR0	PUBLIC KEY	PRIVATE KEY	default client capabilities	other notes
1.0.0452	N	MSMSGS	18/11/1998	MSNP2 (Beta 2 variant)	N/A	N/A	N/A	Only known version of a pre-release 1.0.
1.0.0863	Y	MSMSGS	17/07/1999	MSNP2	N/A	N/A	N/A	First released client, and introduced both the final versions of MSNP2 and CVR0.
1.0.0889	Y	MSMSGS	27/08/1999	MSNP2	N/A	N/A	N/A
1.0.0893	Y	MSMSGS	21/09/1999	MSNP2	N/A	N/A	N/A
2.0.0083	Y	MSMSGS	15/11/1999	MSNP2, MSNP3	N/A	N/A	N/A	First released use of MSNP3.
2.0.0085	Y	MSMSGS	06/12/1999	MSNP2, MSNP3	N/A	N/A	N/A	Last version with MSNP2 support.
2.1.1047	Y	MSMSGS	01/02/2000	MSNP4, MSNP3	N/A	N/A	N/A	First released use of MSNP4. First time a protocol was introduced in a minor version.
2.2.1053	Y	MSMSGS	28/03/2000	MSNP4, MSNP3	N/A	N/A	N/A	Introduced support for child accounts, and requesting for authorization.
3.0.0080	N	MSMSGS	16/05/2000	MSNP4, MSNP3	N/A	N/A	N/A	Last version with MSNP3 support. Only available as part of the first MSN Preview.
3.0.0283	Y	MSMSGS	18/07/2000	MSNP5, MSNP4	N/A	N/A	N/A	First released use of MSNP5. Introduced forced account verification. Introduced a new notification system called "Toasts".
3.0.0286	Y	MSMSGS	07/08/2000	MSNP5, MSNP4	N/A	N/A	N/A
3.5.0077	Y	MSMSGS	10/11/2000	MSNP5, MSNP4	N/A	N/A	N/A	Broke the type library due to the removal of dedicated Outlook Express integration support.
3.6.0024	Y	MSMSGS	17/01/2001	MSNP5, MSNP4	N/A	N/A	N/A
3.6.0025	Y	MSMSGS	29/01/2001	MSNP5, MSNP4	N/A	N/A	N/A
3.6.0026	Y	MSMSGS	11/04/2001	MSNP5, MSNP4	N/A	N/A	N/A	Was split to 4.0.0135.
3.6.0038	Y	MSMSGS	23/07/2001	MSNP6, MSNP5, MSNP4	msmsgs@msnmsgr.com	Q1P7W2E4J9R8U3S5	N/A	First released use of MSNP6. First time a protocol was introduced in a patch version. Introduced challenges and their respective keypairs.
3.6.0039	Y	MSMSGS	30/07/2001	MSNP6, MSNP5, MSNP4	msmsgs@msnmsgr.com	Q1P7W2E4J9R8U3S5	N/A
4.0.0135	N	MSMSGS	07/05/2001	MSNP6, MSNP5, MSNP4	msmsgs@msnmsgr.com	Q1P7W2E4J9R8U3S5	N/A	First use of MSNP6. Only included with Windows XP build 2474.
4.0.0146	N	MSMSGS	07/06/2001	MSNP6, MSNP5, MSNP4	msmsgs@msnmsgr.com	Q1P7W2E4J9R8U3S5	N/A	Only included in Windows XP build 2505. May of been used to backport MSNP6 features to 3.6.0038.
4.0.0155	N	MSMSGS	02/08/2001	MSNP6, MSNP5, MSNP4	msmsgs@msnmsgr.com	Q1P7W2E4J9R8U3S5	N/A	Only included in Windows Vista (Longhorn) build 3695.
4.5.0121	Y	MSMSGS	22/11/2001	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A	First released use of MSNP7. Type library has been fixed.
4.5.0127	Y	MSMSGS	06/11/2001	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.6.0071	Y	MSMSGS	10/12/2001	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.6.0073	Y	MSMSGS	08/01/2001	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.6.0076	Y	MSMSGS	13/02/2001	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.6.0077	Y	MSMSGS	05/03/2001	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.6.0078	Y	MSMSGS	11/04/2001	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.6.0079	Y	MSMSGS	03/05/2002	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.6.0082	Y	MSMSGS	23/05/2002	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.6.0083	Y	MSMSGS	23/09/2002	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.6.0084	Y	MSMSGS	09/12/2002	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.7.0031	Y	MSMSGS	21/05/2002	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.7.0034	Y	MSMSGS	19/06/2002	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.7.0041	Y	MSMSGS	20/08/2002	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.7.0101	Y	MSMSGS	21/08/2002	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.7.0105	Y	MSMSGS	17/10/2002	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A
4.7.0106	Y	MSMSGS	09/12/2002	MSNP7, MSNP6, MSNP5, MSNP4	?	?	N/A	Last version with MSNP4, MSNP5 and MSNP6 support.
4.7.2009	Y	MSMSGS	14/04/2003	MSNP8	?	?	0	Only available as an update to Windows XP.
4.7.3000	Y	MSMSGS	04/08/2004	MSNP8	?	?	0	Only included in Windows XP Service Pack 2.
4.7.3001	Y	MSMSGS	14/04/2008	MSNP8	?	?	0	Only included in Windows XP Service Pack 3.
5.0.0149	Y	MSMSGS	25/02/2003	MSNP8	?	?	0
5.0.0537	Y	MSNMSGR	21/10/2002	MSNP8	?	?	0	First released use of MSNP8. Started the first protocol split. First released use of Client Capabilities.
5.0.0482	Y	MSMSGS	13/02/2004	MSNP8	?	?	0
5.1.0701	Y	MSMSGS	31/08/2005	MSNP8	?	?	36
5.1.0715	Y	MSMSGS	02/06/2008	MSNP8	?	?	36
6.0.0602	Y	MSNMSGR	11/07/2003	MSNP9, MSNP8	?	?	268435492	First released use of MSNP9. First released use of MSNObject and related transfer protocol.
6.1.0155	Y	MSNMSGR	14/10/2003	MSNP10, MSNP9	?	?	536870948	First released use of MSNP10, introducing the concept of the Address Book Service integration.
7.0.0777	Y	MSNMSGR	29/03/2005	MSNP11, MSNP10	?	?	1073791012	First released use of MSNP11, changing the challenge key generation method.
7.5.0299	Y	MSNMSGR	13/08/2005	MSNP12, MSNP11, MSNP10	?	?	1342554148	First released use of MSNP12, introducing the concept of Network IDs.
8.0.0787	Y	MSNMSGR	06/06/2006	MSNP14, MSNP13	?	?	1611513892	First released uses of MSNP13 and MSNP14. Started the second protocol split. Introduced the Contact Sharing Service, alongside enforced Address Book Service integration.

# Macintosh

# m68k (TODO: find arch name?)

TODO: this

# ppc

TODO: this

# i386

TODO: this

# WebTV

# MIPS

TODO: this

# Windows CE

# arm

TODO: this