Microsoft Exchange 5.5 end of life (EOL) date and support status
End of life End of life since 2006-01-10 (7576 days ago)
Upgrade: Microsoft Exchange 5.5 no longer receives fixes. Supported cycles: subscription.
| Product | Microsoft Exchange |
|---|---|
| Version cycle | 5.5 |
| Status | End of life |
| Released | 1998-02-03 |
| Active support until | 2003-12-31 |
| End of life | 2006-01-10 |
| Latest version | 5.5.2653 (2000-11-01) |
| Last verified | 2026-10-08 |
All Microsoft Exchange versions → · Source: endoflife.date
Frequently asked questions
Is Microsoft Exchange 5.5 end of life?
Yes. End of life since 2006-01-10 (7576 days ago). It no longer receives security or bug fixes.
When does Microsoft Exchange 5.5 reach end of life?
Microsoft Exchange 5.5 reached end of life on 2006-01-10.
When was Microsoft Exchange 5.5 released?
Microsoft Exchange 5.5 was first released on 1998-02-03.
What is the latest Microsoft Exchange 5.5 version?
The latest 5.5 release is 5.5.2653, published on 2000-11-01.
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