Supported
Microsoft 365 Apps Semi-Annual Enterprise Channel
Support ends on 13 Apr 2027 (in 6 months). The newest release is 20430.20178, published 13 Oct 2026.
What to do
Stay on the newest release, 20430.20178. Support continues until 13 Apr 2027.
Move to Microsoft 365 Apps Current ChannelLatest 20430.20182 · no end date published20430.20178Newest release · 1d ago
181
Days of support left · until 13 Apr 2027
4Releases in the last 12 months · typically every 21 days
Is your version current?
Compared with the publisher's releases of this lineMicrosoft 365 Apps support timeline
From first preview through release to end of support, as the vendors publish them- Office 2019 (volume licensed) and Office LTSC 2021 end on 10 Nov 2026 (in 27 days).
- Microsoft 365 Apps Monthly Enterprise Channel ends on 12 Jan 2027 (in 3 months).
- Microsoft 365 Apps Semi-Annual Enterprise Channel ends on 13 Apr 2027 (in 6 months).
- The newest supported line is Office LTSC 2024, supported until 9 Oct 2029.
- In preview: Microsoft 365 Apps 19725.20674, published 13 Oct 2026.
Microsoft 365 Apps Semi-Annual Enterprise Channel (Preview)Preview19725.20674 · until 12 Jan 2027 (in 3 months)
Microsoft 365 Apps Semi-Annual Enterprise Channel20430.20178 · until 13 Apr 2027 (in 6 months)
Microsoft 365 Apps Monthly Enterprise Channel20430.20180 · until 12 Jan 2027 (in 3 months)
Office 2019 (volume licensed)10417.20228 · until 10 Nov 2026 (in 27 days)
Ticks are releases; the red ones fix CVEs. Dates come from each vendor's release and lifecycle data and move when the vendor changes them.
Releases of Microsoft 365 Apps Semi-Annual Enterprise Channel
9 collected, newest first| Version | Published | Release | What the notes say |
|---|---|---|---|
| 20430.20178 | 13 Oct 2026 | Version 2609 (Build 20430.20178) | — |
| 20326.20230 | 13 Oct 2026 | Version 2608 (Build 20326.20230) | — |
| 20228.20274 | 13 Oct 2026 | Version 2607 (Build 20228.20274) | — |
| 20326.20140 | 8 Sep 2026 | Version 2608 (Build 20326.20140) | — |
| 20326.20144 | 8 Sep 2026 | Version 2608 (Build 20326.20144) | — |
| 20228.20226 | 8 Sep 2026 | Version 2607 (Build 20228.20226) | — |
| 20131.20258 | 8 Sep 2026 | Version 2606 (Build 20131.20258) | — |
| 20131.20206 | 18 Aug 2026 | Version 2606 (Build 20131.20206) | — |
| 19127.20752 | 11 Aug 2026 | Version 2508 (Build 19127.20752) | — |
Open known issues
All Microsoft 365 Apps issues- [INVESTIGATING] Error "No results were found" when using the Translate function in OfficeOffice known issue · Date not supplied
- [INVESTIGATING] Error "Something Went Wrong [[1001]" signing in to Microsoft 365 Desktop ApplicationsOffice known issue · Date not supplied
- [WORKAROUND] Automation add-ins for Excel are not loading after installing April 2021 security updateOffice known issue · Date not supplied
- [WORKAROUND] Excel doesn't fully support some special characters in the filename or folder pathOffice known issue · Date not supplied
- [WORKAROUND] Excel may crash when running multiple instances that use clipboard functionality programmaticallyOffice known issue · Date not supplied
What changed
First observed 14 Oct 2026No field changes in the recorded history.
Cite this recorded revision to keep the same title, summary, facts and links when the page changes.
A day selects the latest observation by the end of that UTC day; today's selection can change until midnight. History starts when this installation records it.
Keep track
- Add the end of support to your calendar: one event on 13 Apr 2027, with a reminder 30 days before.
- Microsoft 365 Apps RSS feed: new releases, known issues, retirements and roadmap changes.
- What I run: list the versions you run and see which fall behind or out of support.
- Everything about Microsoft 365 Apps: its timeline, notices, roadmap and other lines.