Microsoft Exchange EOS & EOL timeline

Check Microsoft Exchange end-of-support (EOS), end-of-life (EOL), release and extended-support dates. Compare versions and plan your next upgrade.

• subscription

  Supported
  1. ReleasedJul 1, 2025

  End of support (EOS)

  Not announced

  End of life (EOL)

  Not announced

  Extended support

  Not announced

• 2019

  End of life
  1. ReleasedOct 22, 2018
  2. End of support (EOS)Jan 9, 2024
  3. End of life (EOL)Oct 14, 2025
  4. Extended supportNov 1, 2026

• 2016

  End of life
  1. ReleasedOct 1, 2015
  2. End of support (EOS)Oct 13, 2020
  3. End of life (EOL)Oct 14, 2025
  4. Extended supportNov 1, 2026

• 2013

  End of life
  1. ReleasedJan 9, 2013
  2. End of support (EOS)Apr 10, 2018
  3. End of life (EOL)Apr 11, 2023

  Extended support

  Not announced

• 2010

  End of life
  1. ReleasedNov 9, 2009
  2. End of support (EOS)Jan 13, 2015
  3. End of life (EOL)Oct 13, 2020

  Extended support

  Not announced

• 2007

  End of life
  1. ReleasedMar 8, 2007
  2. End of support (EOS)Apr 10, 2012
  3. End of life (EOL)Apr 11, 2017

  Extended support

  Not announced

• 2003

  End of life
  1. ReleasedSep 28, 2003
  2. End of support (EOS)Apr 14, 2009
  3. End of life (EOL)Apr 8, 2014

  Extended support

  Not announced

• 2000

  End of life
  1. ReleasedNov 29, 2000
  2. End of support (EOS)Dec 31, 2005
  3. End of life (EOL)Jan 11, 2011

  Extended support

  Not announced

• 5.5

  End of life
  1. ReleasedFeb 3, 1998
  2. End of support (EOS)Dec 31, 2003
  3. End of life (EOL)Jan 10, 2006

  Extended support

  Not announced

• 5.0

  End of life
  1. ReleasedMay 23, 1997
  2. End of support (EOS)Dec 31, 2003
  3. End of life (EOL)Jan 10, 2006

  Extended support

  Not announced

• 4.0

  End of life
  1. ReleasedJun 11, 1996

  End of support (EOS)

  Not announced

  End of life (EOL)

  Not announced

  Extended support

  Not announced

Support milestones: end of support = Active Support; end of life = Security Support. Unknown dates are shown as “Not announced”. Paid extended support is separate from standard end of life. Support windows may vary by version and edition. Timeline spacing is not a duration scale.