Microsoft Exchange 2003

end of lifeno security fixes since 2014-04-08

Microsoft Exchange 2003 reached end of life 12 years ago.

Supported now: Microsoft Exchange subscription (no announced date)

Facts

Released
(23 years ago)
Active support ended
(17 years ago)
Security support ended
(12 years ago)
Latest release
6.5.7654.4, (18 years ago)
Source
endoflife.date (checked 2026-09-09)

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