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Overview of update channels for Microsoft 365 Apps
Important
Update Channel Changes Coming July 2025: Microsoft is making significant changes to update channels beginning July 2025:
- Monthly Enterprise Channel: Rollback support extended to 2 months (from 1 month)
- Semi-Annual Enterprise Channel (Preview): Being deprecated – migrate devices immediately
- Semi-Annual Enterprise Channel: Support duration reduced to 8 months (from 14 months), shifting to focus on unattended device
Comparison of the update channels for Microsoft 365 Apps
The following table provides a comparison of Current Channel, Monthly Enterprise Channel, and Semi-Annual Enterprise Channel.
| Category | Current Channel | Monthly Enterprise Channel | Semi-Annual Enterprise Channel |
|---|---|---|---|
| Recommended use | Provide your users with new Microsoft 365 Apps features as soon as they’re ready, but on no set schedule. | Provide your users with new Microsoft 365 Apps features only once a month and on a predictable schedule. | For non-interactive devices and those running specialized or business-critical workloads that require extensive testing before new Microsoft 365 Apps features are implemented. Suitable for select devices performing automated tasks where end-users aren’t present, ensuring compliance with regulatory and organizational standards. |
| Release frequency1 | At least once a month (likely more often), but on no set schedule | Once a month, on the second Tuesday of the month | Once a month, on the second Tuesday of the month |
| Feature updates2 | As soon as they’re ready (once a month), but on no set schedule | Once a month, on the second Tuesday of the month | Twice a year (in January and July), on the second Tuesday of the month |
| Security updates3
(if needed) |
Once a month, on the second Tuesday of the month | Once a month, on the second Tuesday of the month | Once a month, on the second Tuesday of the month |
| Non-security updates2
(if needed) |
Usually at least once a month (possibly more often), but no set schedule | Once a month, on the second Tuesday of the month | Once a month, on the second Tuesday of the month |
| Support duration for a given version4 | Until the next version is released with new features, which is usually about one month | Two months | Eight months (Beginning July 2025; previously fourteen months) |
| Rollback support5 | Not applicable | Two months (Beginning July 2025; previously one month) | Two months (Beginning July 2025) |